46295 + Interview Questions in Chemistry

1.	Atoms A,B,C,D are present at the corners,face centres,T-voids,and O-voids.Atoms touching one of the body diagonal plane of the symmetry is removed.Then the formula of the compounds is
Answer» Atoms A,B,C,D are present at the corners,face centres,T-voids,and O-voids.Atoms touching one of the body diagonal plane of the symmetry is removed.Then the formula of the compounds is

Discussion

2.	How to learn first 20 elements of periodic table easily?
Answer» How to learn first 20 elements of periodic table easily?

Discussion

3.	Hyperconjugation involves the overlapping of the following orbitals:
Answer» Hyperconjugation involves the overlapping of the following orbitals:

Discussion

4.	What is meant by 4g atom of Ne and 2g molecules of NH3
Answer» What is meant by 4g atom of Ne and 2g molecules of NH3

Discussion

5.	sketch the bond moments and resul†an t dipole moment in SO_{2
Answer» sketch the bond moments and resul†an t dipole moment in SO_{2

Discussion

6.	The most stable carbocation among the following is:
Answer» The most stable carbocation among the following is:

Discussion

7.	46 if 500g of water at 100 degree C is mixed with 300g of water at 0 degree C . What will be the final temperature of the mixture?
Answer» 46 if 500g of water at 100 degree C is mixed with 300g of water at 0 degree C . What will be the final temperature of the mixture?

Discussion

8.	Is boron a metalloid or nonmetal
Answer» Is boron a metalloid or nonmetal

Discussion

9.	The displacement graph for two particles A and B is as follows. The ratio VA/VB is
Answer» The displacement graph for two particles A and B is as follows. The ratio VA/VB is

Discussion

10.	45.Which has the maximum no. Of molecules among 8g of h2,64g of so2,44g of co2 and 48 g of o3
Answer» 45.Which has the maximum no. Of molecules among 8g of h2,64g of so2,44g of co2 and 48 g of o3

Discussion

11.	Two elements A and B have atomic mass 75 and 16 respectively. They combine to give a compound having 75.8% A. The empirical formula of the compound is:
Answer» Two elements $A$ and $B$ have atomic mass $75$ and $16$ respectively. They combine to give a compound having $75.8 %$ $A$ . The empirical formula of the compound is:

Discussion

12.	Number of compounds which are more reactive than phenol towards electrophilic aromatic substitution reaction is:
Answer» Number of compounds which are more reactive than phenol towards electrophilic aromatic substitution reaction is:

Discussion

13.	The electrons, identified by quantum number n and l, (i) n = 4, l = 1(ii) n = 4, l = 0(iii) n = 3, l = 2 and (iv) n = 3, l = 1 Can be placed in order of increasing energy, from lowest to highest as
Answer» The electrons, identified by quantum number n and l, (i) n = 4, l = 1(ii) n = 4, l = 0(iii) n = 3, l = 2 and (iv) n = 3, l = 1 Can be placed in order of increasing energy, from lowest to highest as

Discussion

14.	What is the correct order of basic strengths of the given amines in aqueous medium?
Answer» What is the correct order of basic strengths of the given amines in aqueous medium?

Discussion

15.	The empirical formula of a non- { electrolyte/non-associating solute is CH_2O . { A solution containing 3g of the solute in 1L water exerts the same osmotic pressure as { that of 0.05M glucose solution. The molecular formula of the compound is
Answer» The empirical formula of a non- { electrolyte/non-associating solute is CH_2O . { A solution containing 3g of the solute in 1L water exerts the same osmotic pressure as { that of 0.05M glucose solution. The molecular formula of the compound is

Discussion

16.	Molar specific heat at constant volume Cv for a monoatomic gas is
Answer» Molar specific heat at constant volume $C_{v}$ for a monoatomic gas is

Discussion

17.	Show the location of scape in onion
Answer» Show the location of scape in onion

Discussion

18.	Azeotropic mixture of HCl and water has
Answer» Azeotropic mixture of HCl and water has

Discussion

19.	6 A carbonyl compound reacts with HCN to form cyanohydrin which on hydrolysis forms a racemic mixture of alpha- hydroxy acid. The carbonyl compound is A diethyl ketone B formaldehyde C acetaldehyde D acetone
Answer» 6 A carbonyl compound reacts with HCN to form cyanohydrin which on hydrolysis forms a racemic mixture of alpha- hydroxy acid. The carbonyl compound is A diethyl ketone B formaldehyde C acetaldehyde D acetone

Discussion

20.	Why d & f orbital has poor shielding effects
Answer» Why d & f orbital has poor shielding effects

Discussion

21.	75 mL of liquid A and 25mL of liquid B are mixed to form a solution of volume 100mL. The solution is:
Answer» 75 mL of liquid A and 25mL of liquid B are mixed to form a solution of volume 100mL. The solution is:

Discussion

22.	structures of phenylhydrazone and phenylhydrazine?
Answer» structures of phenylhydrazone and phenylhydrazine?

Discussion

23.	68. hydration of 3,3 dimethyl 1-butene by acid catalysed hydration and by oxymercuration demercuration method.
Answer» 68. hydration of 3,3 dimethyl 1-butene by acid catalysed hydration and by oxymercuration demercuration method.

Discussion

24.	What is the difference between aldol condensation, cross aldol condensation and canizzaro reaction
Answer» What is the difference between aldol condensation, cross aldol condensation and canizzaro reaction

Discussion

25.	Ratio of kinetic energy per molecule of neon gas and hydrogen gas at same temperature?
Answer» Ratio of kinetic energy per molecule of neon gas and hydrogen gas at same temperature?

Discussion

26.	The average kinetic energy of an ideal gas per molecule in SI unit at 25∘C will be
Answer» The average kinetic energy of an ideal gas per molecule in SI unit at $25^{\circ} C$ will be

Discussion

27.	During the electrolysis of concentrated Sodium Chloride Solution, why Hydrogen is liberated despite high concentration of Sodium ions?
Answer» During the electrolysis of concentrated Sodium Chloride Solution, why Hydrogen is liberated despite high concentration of Sodium ions?

Discussion

28.	A B and C are three substances.A does not conduct electricity in the solid or liquid state.B conducts electricity both in the fused and solution C conduct electricity in aqueous solution but not in liquid state.which of the following statements is false regarding A B and C A) A has polar covalent linkage B) a has nonpolar covalent linkage C) B is ionic in nature D) C has polar covalent linkage
Answer» A B and C are three substances.A does not conduct electricity in the solid or liquid state.B conducts electricity both in the fused and solution C conduct electricity in aqueous solution but not in liquid state.which of the following statements is false regarding A B and C A) A has polar covalent linkage B) a has nonpolar covalent linkage C) B is ionic in nature D) C has polar covalent linkage

28.

A B and C are three substances.A does not conduct electricity in the solid or liquid state.B conducts electricity both in the fused and solution C conduct electricity in aqueous solution but not in liquid state.which of the following statements is false regarding A B and C A) A has polar covalent linkage B) a has nonpolar covalent linkage C) B is ionic in nature D) C has polar covalent linkage

Answer»

A B and C are three substances.A does not conduct electricity in the solid or liquid state.B conducts electricity both in the fused and solution C conduct electricity in aqueous solution but not in liquid state.which of the following statements is false regarding A B and C

A) A has polar covalent linkage

B) a has nonpolar covalent linkage

C) B is ionic in nature

D) C has polar covalent linkage

Discussion

29.	k_{sp} of a CaSO4.5H2O is 9×10^{-6} , find the volume of CaSO4 for 1gm
Answer» k_{sp} of a CaSO4.5H2O is 9×10^{-6} , find the volume of CaSO4 for 1gm

Discussion

30.	The correct order of relative stability of half-filled and completely filled sub-shell is:
Answer» The correct order of relative stability of half-filled and completely filled sub-shell is:

Discussion

31.	The maximum number of electrons that can be identified with the quantum number l=2 for Fe3+ ion will be1.3 2.4 3.5 4.6
Answer» The maximum number of electrons that can be identified with the quantum number l=2 for Fe3+ ion will be 1.3 2.4 3.5 4.6

Discussion

32.	Which is/are true about isothermal process of an ideal gas.
Answer» Which is/are true about isothermal process of an ideal gas.

Discussion

33.	What is semiconductor ? Describe the two main types of semiconductors and contrast their conduction mechanism.
Answer» What is semiconductor ? Describe the two main types of semiconductors and contrast their conduction mechanism.

Discussion

34.	The pressure of a mixture of H2 and O2 enclosed in a vessel having molar ratio 1:4, is one atmosphere. What would be the partial pressure of dioxygen?(Given: 1 atm=101325 Nm−2)
Answer» The pressure of a mixture of $H_{2}$ and $O_{2}$ enclosed in a vessel having molar ratio $1 : 4$ , is one atmosphere. What would be the partial pressure of dioxygen? (Given: $1 atm = 101325 {Nm}^{- 2}$ )

Discussion

35.	Simple ratio of masses of oxygen which combine with fixed mass of carbon in CO and CO2 is Options: 16 : 32 14 : 16 1 : 2 4 : 8
Answer» Simple ratio of masses of oxygen which combine with fixed mass of carbon in CO and CO2 is Options: 16 : 32 14 : 16 1 : 2 4 : 8

Discussion

36.	A solution of chlorine in water contains
Answer» A solution of chlorine in water contains

Discussion

37.	what is i cap ?
Answer» what is i cap ?

Discussion

38.	Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the H+ concentration in the mixture?
Answer» Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the $H^{+}$ concentration in the mixture?

Discussion

39.	Total volume occupied by effective number of atoms present in body centred cubic unit cell
Answer» Total volume occupied by effective number of atoms present in body centred cubic unit cell

Discussion

40.	24. write the order of relative reactivities of following acyl compounds towards nucleophilic substitution with reasons acyl chloride ,acid anhydride ,ester,amide?
Answer» 24. write the order of relative reactivities of following acyl compounds towards nucleophilic substitution with reasons acyl chloride ,acid anhydride ,ester,amide?

Discussion

41.	Choose the correct statement(s) :(Assume 100% ionisation)
Answer» Choose the correct statement(s) : (Assume 100% ionisation)

Discussion

42.	why is pancreatic juice called complete juice?
Answer» why is pancreatic juice called complete juice?

Discussion

43.	Oxidation of a compound ‘X’ gives a product which reacts with phenyl hydrazine but does not give a sliver mirror test. The structure of ‘X’ is
Answer» Oxidation of a compound ‘X’ gives a product which reacts with phenyl hydrazine but does not give a sliver mirror test. The structure of ‘X’ is

Discussion

44.	Which one of the following does not impart a colour to the flame?
Answer» Which one of the following does not impart a colour to the flame?

Discussion

45.	Depictthe galvanic cell in which the reaction Zn(s) + 2Ag+(aq)→Zn2+(aq)+ 2Ag(s) takes place. Further show:(i) Which of the electrode isnegatively charged?(ii) The carriers of the current in thecell.(iii) Individual reaction at eachelectrode.
Answer» Depict the galvanic cell in which the reaction Zn(s) + 2Ag⁺(aq) → Zn²⁺(aq) + 2Ag(s) takes place. Further show: (i) Which of the electrode is negatively charged? (ii) The carriers of the current in the cell. (iii) Individual reaction at each electrode.

45.

Depictthe galvanic cell in which the reaction Zn(s) + 2Ag+(aq)→Zn2+(aq)+ 2Ag(s) takes place. Further show:(i) Which of the electrode isnegatively charged?(ii) The carriers of the current in thecell.(iii) Individual reaction at eachelectrode.

Answer»

Depict
the galvanic cell in which the reaction Zn(s) + 2Ag⁺(aq)
→
Zn²⁺(aq)
+ 2Ag(s) takes place. Further show:

(i)
Which of the electrode is
negatively charged?

(ii)
The carriers of the current in the
cell.

(iii)
Individual reaction at each
electrode.

Discussion

46.	In which of the following options, the order of arrangement does not agree with the variation of property indicated against it?
Answer» In which of the following options, the order of arrangement does not agree with the variation of property indicated against it?

Discussion

47.	11 Explain what is hybridisation in chemistry
Answer» 11 Explain what is hybridisation in chemistry

Discussion

48.	a particle is executing SHM with frequency f. The frequency at which its KE changes to PE
Answer» a particle is executing SHM with frequency f. The frequency at which its KE changes to PE

Discussion

49.	A dilute solution contains ′x′ moles of solute A in 1 kg of solvent with molal elevation constant Kb. The solute dimerises in the solution according to the following equation.2A⇌A2The degree of association is (α). The van't Hoff factor (i) will be :[1 Mark]
Answer» A dilute solution contains $^{'} x^{'}$ moles of solute $A$ in $1 kg$ of solvent with molal elevation constant $K_{b}$ . The solute dimerises in the solution according to the following equation. $2 A ⇌ A_{2}$ The degree of association is $(α)$ . The van't Hoff factor (i) will be : [1 Mark]

Discussion

50.	The equillibrium of formation of phosgene is represented as: The reaction is carried out in a 500mL flask, At equillibrium 0.3 mole of phosgene, 0.1 mole of CO and 0.1 mole of Cl_{2 } are present. The equillibrium cons†an t of the reactio n is: (a) 30 (b) 15 (c) 5 (d) 3
Answer» The equillibrium of formation of phosgene is represented as: The reaction is carried out in a 500mL flask, At equillibrium 0.3 mole of phosgene, 0.1 mole of CO and 0.1 mole of Cl_{2 } are present. The equillibrium cons†an t of the reactio n is: (a) 30 (b) 15 (c) 5 (d) 3

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Atoms A,B,C,D are present at the corners,face centres,T-voids,and O-voids.Atoms touching one of the body diagonal plane of the symmetry is removed.Then the formula of the compounds is

How to learn first 20 elements of periodic table easily?

Hyperconjugation involves the overlapping of the following orbitals:

What is meant by 4g atom of Ne and 2g molecules of NH3

sketch the bond moments and resul†an t dipole moment in SO_{2

The most stable carbocation among the following is:

46 if 500g of water at 100 degree C is mixed with 300g of water at 0 degree C . What will be the final temperature of the mixture?

Is boron a metalloid or nonmetal

The displacement graph for two particles A and B is as follows. The ratio VA/VB is

45.Which has the maximum no. Of molecules among 8g of h2,64g of so2,44g of co2 and 48 g of o3

Two elements A and B have atomic mass 75 and 16 respectively. They combine to give a compound having 75.8% A. The empirical formula of the compound is:

Number of compounds which are more reactive than phenol towards electrophilic aromatic substitution reaction is:

The electrons, identified by quantum number n and l, (i) n = 4, l = 1(ii) n = 4, l = 0(iii) n = 3, l = 2 and (iv) n = 3, l = 1 Can be placed in order of increasing energy, from lowest to highest as

What is the correct order of basic strengths of the given amines in aqueous medium?

The empirical formula of a non- { electrolyte/non-associating solute is CH_2O . { A solution containing 3g of the solute in 1L water exerts the same osmotic pressure as { that of 0.05M glucose solution. The molecular formula of the compound is

Molar specific heat at constant volume Cv for a monoatomic gas is

Show the location of scape in onion

Azeotropic mixture of HCl and water has

6 A carbonyl compound reacts with HCN to form cyanohydrin which on hydrolysis forms a racemic mixture of alpha- hydroxy acid. The carbonyl compound is A diethyl ketone B formaldehyde C acetaldehyde D acetone

Why d & f orbital has poor shielding effects

75 mL of liquid A and 25mL of liquid B are mixed to form a solution of volume 100mL. The solution is:

structures of phenylhydrazone and phenylhydrazine?

68. hydration of 3,3 dimethyl 1-butene by acid catalysed hydration and by oxymercuration demercuration method.

What is the difference between aldol condensation, cross aldol condensation and canizzaro reaction

Ratio of kinetic energy per molecule of neon gas and hydrogen gas at same temperature?

The average kinetic energy of an ideal gas per molecule in SI unit at 25∘C will be

During the electrolysis of concentrated Sodium Chloride Solution, why Hydrogen is liberated despite high concentration of Sodium ions?

k_{sp} of a CaSO4.5H2O is 9×10^{-6} , find the volume of CaSO4 for 1gm

The correct order of relative stability of half-filled and completely filled sub-shell is:

The maximum number of electrons that can be identified with the quantum number l=2 for Fe3+ ion will be1.3 2.4 3.5 4.6

Which is/are true about isothermal process of an ideal gas.

What is semiconductor ? Describe the two main types of semiconductors and contrast their conduction mechanism.

The pressure of a mixture of H2 and O2 enclosed in a vessel having molar ratio 1:4, is one atmosphere. What would be the partial pressure of dioxygen?(Given: 1 atm=101325 Nm−2)

Simple ratio of masses of oxygen which combine with fixed mass of carbon in CO and CO2 is Options: 16 : 32 14 : 16 1 : 2 4 : 8

A solution of chlorine in water contains

what is i cap ?

Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the H+ concentration in the mixture?

Total volume occupied by effective number of atoms present in body centred cubic unit cell

24. write the order of relative reactivities of following acyl compounds towards nucleophilic substitution with reasons acyl chloride ,acid anhydride ,ester,amide?

Choose the correct statement(s) :(Assume 100% ionisation)

why is pancreatic juice called complete juice?

Oxidation of a compound ‘X’ gives a product which reacts with phenyl hydrazine but does not give a sliver mirror test. The structure of ‘X’ is

Which one of the following does not impart a colour to the flame?

Depictthe galvanic cell in which the reaction Zn(s) + 2Ag+(aq)→Zn2+(aq)+ 2Ag(s) takes place. Further show:(i) Which of the electrode isnegatively charged?(ii) The carriers of the current in thecell.(iii) Individual reaction at eachelectrode.

In which of the following options, the order of arrangement does not agree with the variation of property indicated against it?

11 Explain what is hybridisation in chemistry

a particle is executing SHM with frequency f. The frequency at which its KE changes to PE

A dilute solution contains ′x′ moles of solute A in 1 kg of solvent with molal elevation constant Kb. The solute dimerises in the solution according to the following equation.2A⇌A2The degree of association is (α). The van't Hoff factor (i) will be :[1 Mark]

The equillibrium of formation of phosgene is represented as: The reaction is carried out in a 500mL flask, At equillibrium 0.3 mole of phosgene, 0.1 mole of CO and 0.1 mole of Cl_{2 } are present. The equillibrium cons†an t of the reactio n is: (a) 30 (b) 15 (c) 5 (d) 3