94420 + Interview Questions in Chemistry in Class 12

1.	Consider the following statements. (i)All ores ar minerals but all minerals are not ores. (ii)bauxiteis an ore of aluminium while clay is not. (iii) Extraction of aluminium from clay is profitable one.
Answer» (i)Only (II)Only (III)Only (i),(ii) and (iii) ANSWER :C

Discussion

2.	consider the following statements (i)Ellingham diagram gives information about the thermodynamic feasibility of a reaction. (ii)It explains the rate of the reaction. (iii)Below 1000 K temprature ,FeO is morestable than CO Which of the above statement (s) is /are not correct?
Answer» (i) and (II) (ii)and (III) (iii) only (ii) Only Answer :D

Discussion

3.	Consider the following statements (I) Zr^(4+) and Hf^(4+) have almost same ionic radii (II) Lanthanoids liberate H_2 when treated with dilute acids. (III) The ionic radii of trivalent lanthanoids steadily increase with increase in atomic number. The correct statement(s) is/ are
Answer» I ,II I , III Only II I, II, III Answer :A

Discussion

4.	Consider the following statements: (i) Zeolites are alumino silicates made of silicon and aluminium tetrahedra. (ii) Zeolites carrying Nations are used as basic catalyst. (iii) As silicon is tetravalent and aluminium is trivalent, the zeolite matrix carries extra positive charge. Which of the above statement is / are correct?
Answer» i & II i, ii & III iii only ii only Solution :i & ii

Discussion

5.	Consider the following statements: (i) When pressure increases, the amount of physisorption also increases. (ii) Permanent gases like H_(2), N_(2), and O_(2)cannot be liquefied easily. (iii) Lesser is the surface area, higher is the amount adsorbed.Which of the above statement is / are correct?
Answer» i & II iii only ii only i only Solution :i & ii

Discussion

6.	Consider the following statements (i)VB theory does not explain the colour of the complex (ii) VB theory does not explain the magneitc properties (iii) Vb theory does not provide a quantative explanation about inner orbital complexes. Which of the above statements is/are not correct ?
Answer» `i` only `i` and `II` `III` only `ii` only Answer :C

Discussion

7.	Consider the following statements : I. Vitamins are the organic compounds required in small amounts in the diet but their deficiency causes specific disease. II. Vitamins cannot be synthesised by plant but our body can only synthesise them. III. Some of the vitamins are produced by the bacteria's gut. IV. Vitamins are necessary to perform the specific biological functions tor the normal maintenance of optimum growth and health of the organism. Select the false statement about the vitamins and choose the correct option.
Answer» Only I Only II Only III Only IV Solution :Certain ORGANIC compounds are required in the small amounts in our diet but their deficiency causes SPECIFIC diseases. These compounds are called vitamins. Most of the vitamins cannot be synthesised in our body but PLANTS can synthesise almost all of them, so they are considered as essential food factors. However, the bacteria of the gut can produce some of the vitamins required by us. All of the vitamins are generally available in our diet. Vitamins are necessary to PERFORM specific biological functions for normal maintenance of optimum growth and health·of the ORGANISMS.

Discussion

8.	Consider the following statements. (i) VB theory does not explain the colour of the complex (ii) VB theory does not explain the magnetic properties (iii) VB theory does not provide a quantitative explanation about inner orbital complexes Which of the above statements is/are not correct ?
Answer» `i` only `i` and II III only ii only Solution :iii only

Discussion

9.	Consider the following statements. (i) Transition metal hydrides are used as powerful oxidising agents. (ii) Metallic carbides are chemically active. (iii) Interstitial compounds are hard and show electrical and thermal conductivity. Which of the above statements is/ are incorrect?
Answer» i and II ii and iii iii only i only Solution :i and ii

Discussion

10.	Consider the following statements (i) Transition metals occupy group-3 to group-12 of the modern periodic table (ii) Representative elements occupy group-3 to group-12 of the modern periodic table. (iii)Except group-11 elements of all transition metals are hard. (iv) d-block elements are mostly non-metals. Which of the above statements is/ are incorrect?
Answer» II and IV i and iii iii only i only Solution :ii and iv

Discussion

11.	Consider the following statements: I) The value of rate constant is never negative II) A zero order reaction is an elementary reactionIII). For elementary reactions, molecularity and order are equalIV). Average and instantaneous rate of reaction are defined for micro and macroscopic time interval respectivelyThe correct statement(s) is/are
Answer» I, II, Ill Only III I, III I, II, IV ANSWER :C

Discussion

12.	Consider the following statements(i) Tranquilizers act on the central nervous system by blocking the neurotransmitter dopamine in the brain. (ii) Histamines stimulate the secretion of HCl by activating the receptor in the stomach wall. (iii) The antibiotic cimetidine inhibits the bacterial growth. Which of the above statement is/are not correct?
Answer» i only i & II III only ii only Solution :iii only

Discussion

13.	Consider the following statements. (i) The standard reduction potential (E^@) is a measure of oxidising tendency of the species. (ii) The standard oxidation potental (E^@) is a measure of oxidising tendency of the species. (iii) The standard oxidation potential (E^@) is a measure of redox tendency of the species. Which of the above statement is/are not correct?
Answer» i only II only ii & iii iii only ANSWER :C

Discussion

14.	Consider the following statements. (i) The secondary batteries are rechargeable. (ii) Primary batteries are non-rechargeable. (iii) Batteries are used as a source of AC current at a constant voltage. Which of the above statement is/are not correct?
Answer» i & II iii only i only ii only ANSWER :B

Discussion

15.	Consider the following statements : I. The radius of an atom anion is larger than that of the parent atom . II. The ionization energy generally increases with increasing atomic number in a period. III. The electronegativity of an element is the tendency of an isolated atom to attract an electron. Which of the above statement is/are correct?
Answer» I alone II alone I and II II and III SOLUTION :SIZE of an anion is larger than the corresponding ATOM and the ionization ENERGY generally increases as the size decreases with increasing atomic number in a PERIOD.

Discussion

16.	Consider the following statements (i) The outer sphere in coordination compound is called ionisation sphere. (ii) The primary valences are non directional while secondary valences are directional. (iii) The primary valances of a metal ion is negative and it is satisfied by positive ions . Which of the above statements is/are not correct ?
Answer» `i` and `II` `ii` and `III` `iii` only `ii` only Answer :C

Discussion

17.	Consider the following statements, I. The -OH group present in the phenol is ortho and para-directing . II. Directive influence of a fundamental group in monosubstituted benzene depends on the nature of the substituent already present in the benzene ring. III. The -OH group activates the benzene ring for the attack by an electrophile. IV. Groups such as -NH_(2), -NHR, -NHCOCH_(3), -OCH_(3), -CH_(3), -C_(2)H_(5)., etc, are the examples of activating group. Selection the correct option.
Answer» I and II II and III II, III and IV I, II, III and IV Answer :D

Discussion

18.	Consider the following statements, (i) The first member of the group -13, boron is a metalloid while others are reactive metals. (ii) The oxides of boron and silicon are similar in their acidic nature. (iii)Both boron and silicon form metallic hydrides. Which of the above statement (s) is/are not correct?
Answer» i only ii only ii and III iii onlyh Answer :D

Discussion

19.	Considerthe followingstatements . (i) Theexcessiveglucosein the body is storedin the formof amyloseand amylopectin . (ii) Glycogenispresentin the liverand muscleof animals . (iii) Proteinis storedin the bodyas glycosin and in plantas starch. Whichof the abovestatement is /are not correct ?
Answer» i&ii ii &III I only iii only ANSWER :A

Discussion

20.	Consider the following statements. (i) The dissociation of water is an exothermic reaction. (ii) With the increase in temperature, the ionic product of water value decreases. (iii) With the increase in temperature, the ionic product of water value increase. Which of the above statement is/are correct?
Answer» (i) and (II) (ii) only (III) only (ii) & (iii) SOLUTION :(iii) only

Discussion

21.	Consider the following statements: (i) The action of catalytic poison occurs when the poison blocks the active centres of the catalyst. (ii) A promoter decreases the number of active centres on the surfaces. (iii) Increase in the activity of a catalyst by increasing the surface area. Which of the above statement is / are correct?
Answer» II only III only i & iii ii & iii Solution :i & iii

Discussion

22.	Consider the following statements: (i) Terminal olefins gives Formaldehyde as one of the product (ii) Oxidation of alcohols using pcc yield carboxylic acids (iii) Catalytic dehydrogenation of alcohols give either aldehyde or ketone. Which of the above statement is/are not correct?
Answer» (ii) only (i) & (III) (ii) & (iii) (ii) only Solution :OXIDATION of ALCOHOLS using pcc YIELD carboxylic ACIDS

Discussion

23.	Consider the following statements.I. Sodium dichromate is less soluble than potassium dichromate. II. Crystals of potassium dichromate are of orange colour. III. The chromates and dichromates are interconvertible inaqueous solution depending upon pH of the soultion. IV. The oxidation states of chromate and dichromate are different.The correct statements are
Answer» I, II, III and IV II and IV I and III I and II Answer :C

Discussion

24.	Consider the followingstatements . (i)Strach contains 80%of amylaseand about 20%amylopection (ii)Polysaccharides are calledsugar(iii) Lactoseactas reducingagent. Whichof the abovestatementis / arenot correct ?
Answer» i&ii iii ii&iii ii only ANSWER :A

Discussion

25.	Consider the following statements : (i) Tensile strength of vulcanised rubber is almost ten times more than raw rubber. (ii) Elasticity of raw rubber is very high. The correct statement is/are
Answer» (i) is true and (ii) is false. (i) is false and (ii) is true. both (i) and (ii) are true. both (i) and (ii) are false. Solution : Natural RUBBER is soft and STICKY and after VULCANISATION its strength increases due to cross LINKED FORMED between different monomer units.

Discussion

26.	Consider the following statements. (i) Smaller the gold number, greater the protective power (ii) Greater the gold number, greater the protective power (iii) Colloidal sols with opposite charges are mixed, mutual coagulation takes place. Which of the above statement is / are not correct?
Answer» i only i & III i only II & iii SOLUTION :i only

Discussion

27.	Consider the following statements . (i) Rate of the reaction does not depend on the initial concentration of the reactants. (ii) Rate constant of the reaction depends on the initial concentration of reactants. (iii) Rate constant of the reaction is equal to the rate of the reaction, when the concentration of each of the reactants is unity. Which of the above statement (s) is/are not correct ?
Answer» (i) only (II) only (i) and (ii) (III) only ANSWER :D

Discussion

28.	Consider the following statements. (i) Rate of the reaction does not depend on the initial concentration of the reactants. (ii) Rate constant of the reaction depends on the initial concentration of reactants. (iii) Rate constant of the reaction is equal to the rate of the reaction, when the concentration of each of the reactants is unity. Which of the above statement(s) is/are not correct?
Answer» (i) only (II) only (i) and (ii) (III) only Solution :(iii) only

Discussion

29.	Consider the following statements.(i) Propofol cause a controlled and reversible loss of consciousness by affecting central nervous system. (ii) Ibuprofen is used for major surgical procedures. (iii) Lidocaine is used to relieve burning sensation in the chest / throat area. Which of the above statement is/are not correct?
Answer» i only i & II ii & III i & iii SOLUTION :ii & iii

Discussion

30.	Consider the following statements. (i) phosphine is the most important hydride of phosphorous (ii) phosphine is a poisonoous gas with rotten egg small. (iii) phosphine is a powerful reducing agent Which of the above statement(s) is/are correct?
Answer» (i) and (II) (ii) and (III) (i) and (iii) (ii) only Solution :(i) and (iii)

Discussion

31.	Consider the following statements. (i) phosphine is the most important hydride of phosphorous (ii) phosphine is a poisonous gas with rotten egg smell. (iii) phosphine is a powerful reducing agent Which of the above statement(s) is/are correct ?
Answer» (i) and (II) (ii) and (III) (i) and (iii) (ii) only ANSWER :C

Discussion

32.	Consider the following statements I : Osmosis takes place with increase of entropy. II. Osmosis is a non-spontaeous process. III : Free energy decreases during osmosis. Which of the above is/are correct ?
Answer» I only I and II II and III I and III Solution :Osmosis is a spontancous process `(DeltaG LT 0)` which takes place with `DeltaS gt 0` (due to transfer of solvent in 70 solution)

Discussion

33.	Consider the following statements . (i) order cannot be zero . (ii) Molecularity can be zero (or) fractional (or) integer. (iii) order can be determined only by experiment. Which of the above statement (s) is/are not correct?
Answer» (i) only (II) only (III) only (i) and (ii) ANSWER :C

Discussion

34.	Consider the following statements(i) Oestrogen, menstranol are synthetic hormones that suppresses ovulation/fertilisation, (ii) Norethindrone used in birth control pills. (iii) Chlorine compounds are used to reduce the risk of infection during surgery. Which of the above statement is/are not correct?
Answer» i only II & III iii only i & iii Solution :iii only

Discussion

35.	Consider the following statements (i) Nylon-6, 6 are polymerchains form fibres by hydrogen bonding. (ii) Thermoplastic become hard on heating and soft on cooling and cannot be remoulded. (iii) Cellulose and silk are synthetic polymers. Which of the above statement is/are not correct?
Answer» i only II & III iii only i & iii SOLUTION : ii & iii

Discussion

36.	Consider the following statements, (i) Mohr's salt answers the presence of Fe^(2+), NH_(4)^(+) ans SO_(4)^(2-) ions. (ii) Potassium Ferri thio cyanate answers the presence of K^(+), Fe^(3+), SCN^(-) ions (iii) In coordination compound, the complex ion does not loose its identity and never dissociate to give simple ions. Which of the above statements is/are correct?
Answer» `II` only `i` and `III` `ii` and `iii` `iii` only Answer :A::B::D

Discussion

37.	Consider the followingstatements . (i) Maltoseconsists two molecules of alpha- Dglucoseunitslinkedby an alpha1, 4 glycosidic bond. (ii) Maltoseact as non - redcuingsugar. (iii) Maltose is producedduringdigestionof celluloseby theenzyme alpha - amylase . Whichof the above statementis / are not correc ?
Answer» I only i& II ii only ii & III ANSWER :D

Discussion

38.	Consider the following statements I La(OH)_(3) isleastbasic among hydroxides of lanthanidesII.Zx^(4+) and Hf^(4+ possess almost the same ionic radii III.Ce^(4+) can actas an oxidizing agent.
Answer» I and II II and III II only I and II SOLUTION :`La(OH)_(3)` is most BASIC. Hence, (I) is WRONG. (II) is correct DUE to lanthanoid contraction. (III) is correct because`Ce^(4+)` tends to change to stable `Cr^(3+)`

Discussion

39.	Consider the following statements (I) La(OH)_(3) is the least basic among hydroxides of lanthanides (II) Zr^(4+) and Hf^(4+) posses almost the same ionic radii (III) Ce^(4+) can act as an oxidizing agent Which of the above is/are true
Answer» (I) and (III) (II) and (III) (II) only (I) and (II) Solution :`Zr^(4+) and Hf^(4+)` POSSESS almost the same ionic radii due to lanthanide contraction and `Ce^(4+)` is an oxidizing agent. `LA(OH)_(3)` is the most basic among lanthanide hydroxides.

Discussion

40.	Consider the following statements, (I)La(OH)_(3) is the least basic among hydroxides of lanthanides. (II) Zr^(4+) and Hf^(4+) possess almost the same ionic radii (III)Ce^(4+) can act as an oxidising agent. Which of the above is/are true?
Answer» I and III II and III Only II I and II Solution :The basic character of hydroxide decreases from `LA(OH)_(3) to Lu(OH)_(3)`.Due to smaller size of Lu, the Lu-OH BOND attains more covalent character while `ZR^(4+) and Hf(4+)` has same ionic radii and`CE^(4+)` is an oxidising agent.

Discussion

41.	Consider the following statements : (i) increase in concentration of the reactant increases the rate of a zero order reaction. (ii) rate constant k is equal to collision frequency A if E_(a)=0 (iii) rate constant k is equal to collision frequency A if E_(a)=0 (iv) a plot of ln (k) Vs T is a straight line. (v) a plot of ln (k) Vs ((1)/(T)) is a straight line with a positive slope. Correct statement are _________.
Answer» (II) only (ii) and (IV) (ii) and (V) (i) (ii) and (v) ANSWER :A

Discussion

42.	Consider the following statements: (i) Intermediate compound theory describes the specificity of a catalyst. (ii) Intermediate compound theory explains the action of catalytic poison and activators. (iii) Intermediate compound theory is unable to explain the mechanism of heterogeneous catalysed reactions. Which of the above statement is / are not correct?
Answer» II only i & iii iii only i & ii SOLUTION :ii only

Discussion

43.	Consider the following statements : (i) increase in concentration of reactant increases the rate of zero order reaction. (ii) rate constant k is equal to collision frequency A if E_(a)=oo. (iv) ln k vs T is a straight line. (v) ln k vs 1//T is a straight line. Correct statements are :
Answer» (i) and (IV) (ii) and (V) (iii) and (iv) (ii) and (iii) Solution :RATE of zero order reaction is independent of concentration. Hence, (i) is wrong. `K=Ae^(=-E_a//RT)` When `E_a=0,` k = A, When `E_a=oo, k ne A ` Plot of In k vs 1/T is STRAIGHT line. Hence, only (ii) and (v) are correcrt.

Discussion

44.	Consider the following statements : (i)increase in concentration of the reactant increases the rate of a zero order reaction. (ii) rate constant k is equal to collision frequency A if E_(a)=0 (iii) rate constant k is equal to collision frequency A if E_(a)=^(@) a plot of ln (k) vs T is a straight line. (v) a plot of ln (k) vs ((1)/(T)) is a straight line with a positive slope. Correct statements are
Answer» (II) only (ii) and (IV) (ii) and (V) (i), (ii) and (v) ANSWER :A

Discussion

45.	Consider the followingstatements . (i) In surcose , C_(1) of alpha - D -glucoseis joined to C_(2)of D - fructose . (ii)Two monosaccharides are linkedby glycosidiclinkage . (iii) In sucroseC_(2)of alpha - D- glucose is joined to C_(1) of D- fructose . Whichof theabovestatementis / are correct ?
Answer» III only i&ii ii only i&iii Answer :B

Discussion

46.	Consider the following statements:(i) In Rosenmund reduction Barium sulphate act as a catalyst poison palladium catalyst, so that aldehyde cannot be further reduced to alcohol (ii) Side chain oxidation of toluene using strong oxidising agent gives benzoic acid. (iii) Friedle crafts reaction is the best method used to prepare aliphatic ketones. Which of the above statement is/are correct?
Answer» (III) only (i) & (II) (i) & (iii) (ii) & (iii) SOLUTION : (i) & (ii)

Discussion

47.	Consider the following statements. (i) In sucrose, C_1 of alpha - D - glucose is joined to C_2 of D - fructose (ii) Two monosaccharides are linked by glycosidic linkage (iii) In sucrose, C_2 of alpha-D-glucose is joined to C_1 of D-fructose Which of the above statement is / are correct ?
Answer» III only i & ii ii only i & iii Answer :B

Discussion

48.	Consider the following statements: (i) In Rosenmund reduction Barium sulphate act as a catalyst poison palladium catalyst, so that aldehyde cannot be further reduced to alcohal (ii) Side chain oxidation of toluene using strong oxidising agent gives benzoic acid. (iii) Friedle crafts reaction is the best method used to prepare aliphatic ketons. Which of the above statement is/are correct?
Answer» (III) only (i) & (II) (i) & (iii) (ii) & (iii) ANSWER :B

Discussion

49.	Consider the following statements (i) In interhalogen compounds , the central atom will be the smaller one. (ii)It can be formed only between two halogen and not more than two halogens. (iii) They are strong reducing agents. Which of the above statement (is)is /are not correct?
Answer» (i) only (II) and (III) (i) and (iii) (iii) only ANSWER :C

Discussion

50.	Consider the following statements (i) In interhalogaen compounds the centralatom will be smaller one. (ii) It can be formed only between two halogen and not more than two halogens. (iii) They are strong reducing agents. Which of the above statement(s) is/are not correct?
Answer» (i) only (II) and (III) (i) and (iii) (iii) only Solution :(i) and (iii)

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Consider the following statements. (i)All ores ar minerals but all minerals are not ores. (ii)bauxiteis an ore of aluminium while clay is not. (iii) Extraction of aluminium from clay is profitable one.

consider the following statements (i)Ellingham diagram gives information about the thermodynamic feasibility of a reaction. (ii)It explains the rate of the reaction. (iii)Below 1000 K temprature ,FeO is morestable than CO Which of the above statement (s) is /are not correct?

Consider the following statements (I) Zr^(4+) and Hf^(4+) have almost same ionic radii (II) Lanthanoids liberate H_2 when treated with dilute acids. (III) The ionic radii of trivalent lanthanoids steadily increase with increase in atomic number. The correct statement(s) is/ are

Consider the following statements: (i) When pressure increases, the amount of physisorption also increases. (ii) Permanent gases like H_(2), N_(2), and O_(2)cannot be liquefied easily. (iii) Lesser is the surface area, higher is the amount adsorbed.Which of the above statement is / are correct?

Consider the following statements (i)VB theory does not explain the colour of the complex (ii) VB theory does not explain the magneitc properties (iii) Vb theory does not provide a quantative explanation about inner orbital complexes. Which of the above statements is/are not correct ?

Consider the following statements. (i) VB theory does not explain the colour of the complex (ii) VB theory does not explain the magnetic properties (iii) VB theory does not provide a quantitative explanation about inner orbital complexes Which of the above statements is/are not correct ?

Consider the following statements. (i) Transition metal hydrides are used as powerful oxidising agents. (ii) Metallic carbides are chemically active. (iii) Interstitial compounds are hard and show electrical and thermal conductivity. Which of the above statements is/ are incorrect?

Consider the following statements. (i) The secondary batteries are rechargeable. (ii) Primary batteries are non-rechargeable. (iii) Batteries are used as a source of AC current at a constant voltage. Which of the above statement is/are not correct?

Considerthe followingstatements . (i) Theexcessiveglucosein the body is storedin the formof amyloseand amylopectin . (ii) Glycogenispresentin the liverand muscleof animals . (iii) Proteinis storedin the bodyas glycosin and in plantas starch. Whichof the abovestatement is /are not correct ?

Consider the following statements: (i) Terminal olefins gives Formaldehyde as one of the product (ii) Oxidation of alcohols using pcc yield carboxylic acids (iii) Catalytic dehydrogenation of alcohols give either aldehyde or ketone. Which of the above statement is/are not correct?

Consider the followingstatements . (i)Strach contains 80%of amylaseand about 20%amylopection (ii)Polysaccharides are calledsugar(iii) Lactoseactas reducingagent. Whichof the abovestatementis / arenot correct ?

Consider the following statements : (i) Tensile strength of vulcanised rubber is almost ten times more than raw rubber. (ii) Elasticity of raw rubber is very high. The correct statement is/are

Consider the following statements. (i) Smaller the gold number, greater the protective power (ii) Greater the gold number, greater the protective power (iii) Colloidal sols with opposite charges are mixed, mutual coagulation takes place. Which of the above statement is / are not correct?

Consider the following statements. (i) phosphine is the most important hydride of phosphorous (ii) phosphine is a poisonoous gas with rotten egg small. (iii) phosphine is a powerful reducing agent Which of the above statement(s) is/are correct?

Consider the following statements. (i) phosphine is the most important hydride of phosphorous (ii) phosphine is a poisonous gas with rotten egg smell. (iii) phosphine is a powerful reducing agent Which of the above statement(s) is/are correct ?

Consider the following statements I : Osmosis takes place with increase of entropy. II. Osmosis is a non-spontaeous process. III : Free energy decreases during osmosis. Which of the above is/are correct ?

Consider the following statements . (i) order cannot be zero . (ii) Molecularity can be zero (or) fractional (or) integer. (iii) order can be determined only by experiment. Which of the above statement (s) is/are not correct?

Consider the following statements (i) Nylon-6, 6 are polymerchains form fibres by hydrogen bonding. (ii) Thermoplastic become hard on heating and soft on cooling and cannot be remoulded. (iii) Cellulose and silk are synthetic polymers. Which of the above statement is/are not correct?

Consider the following statements I La(OH)_(3) isleastbasic among hydroxides of lanthanidesII.Zx^(4+) and Hf^(4+ possess almost the same ionic radii III.Ce^(4+) can actas an oxidizing agent.

Consider the following statements (I) La(OH)_(3) is the least basic among hydroxides of lanthanides (II) Zr^(4+) and Hf^(4+) posses almost the same ionic radii (III) Ce^(4+) can act as an oxidizing agent Which of the above is/are true

Consider the following statements, (I)La(OH)_(3) is the least basic among hydroxides of lanthanides. (II) Zr^(4+) and Hf^(4+) possess almost the same ionic radii (III)Ce^(4+) can act as an oxidising agent. Which of the above is/are true?

Consider the following statements : (i) increase in concentration of reactant increases the rate of zero order reaction. (ii) rate constant k is equal to collision frequency A if E_(a)=oo. (iv) ln k vs T is a straight line. (v) ln k vs 1//T is a straight line. Correct statements are :

Consider the followingstatements . (i) In surcose , C_(1) of alpha - D -glucoseis joined to C_(2)of D - fructose . (ii)Two monosaccharides are linkedby glycosidiclinkage . (iii) In sucroseC_(2)of alpha - D- glucose is joined to C_(1) of D- fructose . Whichof theabovestatementis / are correct ?

Consider the following statements. (i) In sucrose, C_1 of alpha - D - glucose is joined to C_2 of D - fructose (ii) Two monosaccharides are linked by glycosidic linkage (iii) In sucrose, C_2 of alpha-D-glucose is joined to C_1 of D-fructose Which of the above statement is / are correct ?

Consider the following statements (i) In interhalogen compounds , the central atom will be the smaller one. (ii)It can be formed only between two halogen and not more than two halogens. (iii) They are strong reducing agents. Which of the above statement (is)is /are not correct?

Consider the following statements (i) In interhalogaen compounds the centralatom will be smaller one. (ii) It can be formed only between two halogen and not more than two halogens. (iii) They are strong reducing agents. Which of the above statement(s) is/are not correct?