Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

Identify compounds A,B and C in the following sequence of reactions. C_6H_5NO_2overset(Fe"/"HCl)(to)A underset(273K)overset(HNO_2)(to)B overset(C_6H_5OH)(to)C

Answer»

Solution :`{:(C_6H_5NO_2 underset(6(H))OVERSET(FE"/"HCl)(to)C_6H_5NH_2),("""(A) ANILINE "):}`
`{:(C_6H_5NH_2+HNO_2 underset(273 K)overset(HCl)(to)C_6H_5N=N-Cl),("(A) Aniline"" Nitrous Acid "" (B) Benzene Diazonium "):}`
The reaction is known as CHLORIDE DIAZOTISATION.

The reaction is known as coupling reaction.
Discussion
2.

Identify compounds A,B and C in the following sequence of reactions. CH_3CH_2Ioverset(NaCN)(to)A underset(" Partial hydrolysis ")overset(OH^-)(to)B overset(NaOH+Br_2)(to)C

Answer»

Solution :`underset("iodide)")underset("(Ethyl")(CH_(3)CH_(2)I)overset(NaCN)underset(-NaI)rarrunderset("(A)")underset("cyanide)")underset("(Ethyl")(CH_(3)CH_(2)CN)underset(underset("hydrolysis)")("(Partial"))overset(OH^(-))rarrunderset("(B)")underset("(ACETAMIDE)")(CH_(3)-CONH_(2))overset(NaOH+Br_(2))underset(underset(underset("reaction)")("bromamide"))"(HOFMANN")rarrunderset("(C)")underset("(Methylamine)")(CH_(3)NH_(2))`
Discussion
3.

Identify compound A, B and C in the following sequence of reactions. i. C_(6)H_(5)NO_(2)overset(Fe//HCl)rarrAoverset(HNO_(2))underset(273K)rarr Boverset(H_(2)O)rarr C ii. C_(6)H_(5)N_(2)Cloverset(CucN)rarrAoverset(H_(2)O //H^(+))rarrBoverset(NH_(3))rarrC

Answer»

Solution :
ii.`underset("chloride)")underset("(Benzenediazonium")(C_(6)H_(5)N_(2)Cl)overset(CuCN)rarrunderset("(A)")underset("(CYANOBENZENE)")(C_(6)H_(5)CN)overset(H_(2)O //H^(+))rarrunderset("(B)")underset("(Benzoic acid)")(C_(6)H_(5)COOH)overset(NH_(3)//DELTA)rarrunderset("(C)")underset("(Benzamide)")(C_(6)H_(5)CONH_(2))`
Discussion
4.

Identifycompound(A) in thefollowingoxidationreaction

Answer»




ALLOF these

Answer :D
Discussion
5.

Identify compound A

Answer»

`ZnSO_(4)7H_(2)O`
`FeSO_(4)7H_(2)SO_(4)`
`MgSO_(4)7H_(2)O`
`CuSO_(4)SH_(2)O`

Solution :(A) is `FeSO_(4).7H_(2)O`
`FeSO_(4)+BaCl_(2)tounderset((B))(BaSO_(4)darr)+FeCl_(2)`
`2FeSO_(4)overset(Delta)tounderset((E))(Fe_(2)O_(3))+underset((C))(SO_(2))+underset((D))(SO_(3))`
`Fe_(2)O_(3)+6HCl tounderset((F))(2FeCl_(3))+3H_(2)O`
`2FeCl_(3)+H_(2)Stounderset((H))(2FeCl_(2))+2HCl+underset((G))(S)`
`2FeCl_(3)+SnCl_(2)to 2FeCl_(2)+SnCl_(4)`
`4FeCl_(3)+3K_(4)Fe(CN)_(6)tounderset("Prussian BLUE")(Fe_(4)[Fe(CN)_(6)]_(3))+12KCl`
Discussion
6.

Identify (C) in the following sequence of reactions : H-overset(O) overset("||")C-H underset((2)H_(2)O //H^(+))overset((1)CH_(3)Mgl)rarr(A) underset(C_(2)H_(5)OH)overset(NH_(3))rarr(C)

Answer»

`CH_(3)NH_(2)`
`CH_(3)CH_(2)NH_(2)`
`CH_(3)CH_(2)CL`
`CH_(3)CN`

Solution :`(A)=CH_(3)CH_(2)OH`, Ethyl alcohol
`(B)=CH_(3)CH_(2)Cl`, Ethyl chloride
`(C)=CH_(3)CH_(2)NH_(2)`, ETHYLAMINE
Discussion
7.

Identify C in the given reaction: C_(2)H_(6)O underset(170^(@)C)overset("conc." H_(2)SO_(4))to A underset(H_(2)//Zn)overset(O_(3))to B underset("[O]")overset(KmnO_(4)//H^(+))to C

Answer»

`HCHO`
`CH_(3)CHO`
`CH_(3)COOH`
`HCOOH`

Solution :`C_(2)H_(6)O underset(170^(@)C)overset("CONC. H_(2)SO_(4))to CH_(2)=CH_(2) underset(H_(2)O/Zn)overset(O_(3))to 2HCHO underset("[O]")overset(KMnO_(4))to HCOOH`
Discussion
8.

Identify the monosaccharide among the following

Answer»

ISOPROPYL alcohol
isobutyl alcohol
2-pentanol
1-bromo-3-butene

Solution :`CH_(3)CH_(2)CH_(2)-CH(OH)CH_(3)`
Discussion
9.

Identify chiral molecule among the following :

Answer»

ISOPROPYL alcohol
isobutyl alcohol
2-pentanol
1-bromo-3-butene

Solution :`CH_(3)CH_(2)CH_(2)-CH(OH)CH_(3)`
Discussion
10.

Identify C in the following sequence of reactions: C_(6)H_(5)-NO_(2) overset(Sn+HCl)to A overset(NaNO_(2)//HCl)underset(0^(@)C)to B overset(H_(3)PO_(2)//H_(2)O)to C

Answer»

`C_(6)H_(5)CH_(3)`
`C_(6)H_(5)OH`
`C_(6)H_(6)`
`C_(6)H_(5)NH_(2)`

SOLUTION :`A=C_(6)H_(5)-NH_(2)` (aniline)
`B=C_(6)H_(5)-overset(+)(N_(2))overset(-)(C)l` (benzene DIAZONIUM chloride)
`C=C_(6)H_(6)` (benzene)
Discussion
11.

Identify C in the following reactions : CH_3 - CH= CH_(2) overset(HBr)(to) A overset(KOH "(alc.)")(to) B overset(HBr) underset(H_2O_2)(to) C

Answer»

`CH_3 CH = CH_2`
`CH_3 CH_2 CH_2 Br`
`CH_3 CH_2 CH_2 OH`
`CH_3 underset(COOH)underset(|)(C)HCH_(3)`

Solution :`CH_3 - CH = CH_2 OVERSET(HBR)(to)`
Discussion
12.

Identify C in the following sequence of reactions: CH_3COONH_4 to overset(Delta)A overset(P_2O_5) to B overset(H_3O^(+) ) to C

Answer»

` CH_3 CH_2CONH_2`
`CH_3 CN`
` (CH_3CO)_2O`
` CH_3COOH`

ANSWER :D
Discussion
13.

Identify C in the following reaction sequence. C_(2)H_(5)-OH underset(350^(@)C)overset(Al_(2)O_(3))to A overset(HBr)to B overset(Na//ether)to

Answer»

Ethane<BR>Ethene
n-Butane
1-Butene

Solution :`C_(2)H_(5)OH underset(350^(@)C)overset(Al_(2)O_(3))to CH_(2)=CH_(2) overset(HBr) to CH_(3)-CH_(2)-Br overset(Na//"ether")to underset("n-butane")(CH_(3)-CH_(2)-CH_(2)-CH_(3))`
Discussion
14.

Identify C in the following reaction. "Ethanol"overset(PBr_(3))rarrAoverset("alc. KOH")rarrBoverset("(i) "H_(2)SO_(4)" R.T.")underset("(ii) "H_(2)SO_(4)Delta)rarrC

Answer»

Solution :`C=CH_(3)-UNDERSET("Ethanol")(CH_(2)-OH)`
Discussion
15.

Identify C in the following reaction : CH_3- CH = CH_2 overset(HBr)underset(H_2O_2)(to) A overset(KOH(aq))(to)B overset(K_(2) Cr_(2) O_(7)//H^(+))underset(Delta)(to) C

Answer»

`CH_3 CH_3`
`CH_3 CHO`
`CH_3 CH_2 OH`
`CH_3 CH_2 COOH`

SOLUTION :`A = CH_3 - CH_2 - CH_2- Br, B = CH_3 - CH_2 - CH_2 - OH , C = CH_3 - CH_2 - COOH`
Discussion
16.

Identify 'C' in the following

Answer»

WATER
ETHANOL
PROPANONE
CUMENE Hydroperoxide

SOLUTION :
Discussion
17.

Identify C in the following reaction.

Answer»

`CH_(3)CHO`
`CH_(3)COCH_(3)`
`CH_(3)CH_(2)COCH_(3)`
`CH_(3)CH_(2)CHO`

SOLUTION :`A=CH_(3)UNDERSET(CH_(3))underset(|)CH-OMgI`, `B=H_(2)O // H^(+)`, `C=CH_(3)-underset(O)underset(||)C-CH_(3)`
Discussion
18.

Identify C and D.

Answer»

SOLUTION :
Discussion
19.

Identify C

Answer»

`Na_(2)ZnO_(2)`
`Zn(OH)_(2)`
`Fe(OH)_(3)`
`Fe(OH)_(2)`

Solution :Zinc oxide turns YELLOW on heating and white on cooling. (A) is `ZnO`, which is not soluble in water. `ZnO` is called Chinese white, zincite, philosopher's wool.
`ZnO +2HCI rarr underset((B))(ZnCI_(2)) +H_(2)O`
`ZnO +2NaOH rarr underset((C))(Na_(2)ZnO_(2))+H_(2)O`
`ZnO` is amphoteric.
`underset((B))(ZnCI_(2))+H_(2)S rarr` No ppt.
This is because `ZnS` is precipitated in basic medium with sufficient `[S^(2-)]` concentration.
`underset(("Neutral or basic solution"))(ZnCI_(2)+H_(2)S) overset(NH_(4)OH)rarr underset((D))(ZnSdarr) +2HCI`
Discussion
20.

Identify C and D.

Answer»

SOLUTION :
Discussion
21.

Identify C

Answer»

`Fe(OH)_(3)`<BR>`Fe_(2)O_(3)`
`FEO`
`FES`

Solution :`underset((A))(FeBr_(3))+3AgNO_(3)tounderset((D))(Fe(NO_(3))_(3)+3AgBr darr` (LIGHT yellow ppt.)
`FeBr_(3)+3H_(2)SO_(4)tounderset((B))(Fe_(2)(SO_(4))_(3)+3Br_(2)`
`FeBr_(3)+3NH_(4)OHtounderset((C))(Fe(OH)_(3) darr)+3NH_(4)Br`
Discussion
22.

Identify C

Answer»

`Na_(2)Cr_(2)O_(7)`
`Na_(2)CrO_(4)`
`Na_(2)MnO_(4)`
`NaMnO_(4)`

Solution :`UNDERSET(solution)underset(Green)(CrCI_(3)) + 3NH_(4)OH rarr underset("Greensih ppt")(Cr(OH)_(3)DARR)+3NH_(4)CI`
`Na_(2)O_(2) +H_(2)O rarr 2NaOH +[O] xx 3`
`2Cr(OH)_(3) +NaOH +3[O] rarr 2Na_(2)CrO_(4) +5H_(2)O`
`ulbar(2Cr(OH)_(3)+3Na_(2)O_(2)rarrunderset("Yellow solution")(2Na_(2)CrO_(4))+2NaOH+2H_(2)O)`
`underset(Yellow)(2CrO_(4)^(2-))+2H^(o+)rarrunderset("ORANGE")(2CrO_(7)^(2-))+H_(2)O`
`Cr_(2)O_(7)^(2-) +2OH^(Theta) +2Pb^(2+) rarr underset(("BRIGHT yellow ppt"))(2PbCrO_(4)+H_(2)O)`
Discussion
23.

Identify 'C' :

Answer»

`C_(2)H_(5)OVERSET(Theta)O,CH_(3)CH_(2)-I`
`H^(oplus)//H_(2)O,Delta`
`^^MGBR, H^(oplus)//H_(2)O`
NONE of these

Answer :B
Discussion
24.

Identify C

Answer»

`[Fe(H_(2)O)_(5)NO]SO_(4)`
`Na_(2)SO_(4)`
`Na_(2)[Fe(CN)_(2)NO]`
`Fe[Fe(CN)_(6)]_(3)`

Solution :(A) is `FeSO_(4).7H_(2)O`
`underset("Light GREEN (A)")(FeSO_(4).7H_(2)O)overset("Gentle heating")tounderset("Colourless")(FeSO_(4))+7H_(2)O`
`FeSO_(4)+NO to underset("Brown (C)")(FeSO_(4).NO)`
`FeSO_(4)+NO to overset(Delta)underset((D))(Fe_(2)O_(3))+underset((E))(SO_(2))+underset((F))(SO_(3))`
`2KMnO_(4)+3H_(2)SO_(4)toK_(2)SO_(4)+2MnSO_(4)+3H_(2)O+5[O]`
`SO_(2)+H_(2)O+O to [H_(2)SO_(4)]xx5`
`ulbar(underset("(PINK)")(2KMnO_(4))+2H_(2)O+5SO_(2) underset("(Almost colourless)")(to) K_(2)SO_(4)+2MnSO_(4)+2H_(2)SO_(4)+2H_(2)SO_(4))`
`SO_(3)+H_(2)Oto H_(2)SO_(4)`
`H_(2)SO_(4)+BaCl_(2)toBaSO_(4)darr+2HCl`
Discussion
25.

Identify B, X and R respetectivelly in the following sequence of reactions C_(2)H_(5)MgBroverset(ClCN)rarrAoverset(H_(3)O^(+))rarrB, CH_(3)COCH_(3)underset(NaOH)overset(I_(2))rarrXoverset(Ag)rarrY C_(6)H_(5)NH_(2)underset(HCl)overset(NaNO_(2))rarrPoverset(CuCN)rarrQoverset(+4H)rarrR

Answer»

`C_(2)H_(5)COOH, CHI_(3),C_(6)H_(5)CH_(2)NH_(2)`
`C_(2)H_(5)COOH, CH_(3)I, C_(6)H_(5)COOH`
`C_(2)H_(5)CH_(2)NH_(2), CH_(3I, C_(6)H_(5)COOH`
`C_(2)H_(5)COOH, C_(2)H_(5)I, C_(6)H_(5)CONH_(2)``C_(2)H_(5)COOH, C_(2)H_(5)I, C_(6)H_(5)CONH_(2)`

Answer :A
Discussion
26.

Identify 'B' from the following reaction : CH_(2)=CH_(2) overset(HBr)rarrA overset("hydrolysis")rarr B underset(I_(2) "excess")overset(Na_(2)CO_(3))rarr C

Answer»

`C_(2)H_(5)I`
`CHI_(3)`
`CH_(3)CHO`
`CH_(2)=CHI`

Answer :B::C
Discussion
27.

Identify 'B' in the reaction Acetamide underset(Delta)overset(P_(2)O_(5))rarrAoverset(4H)RarrB

Answer»

`CH_(3)NH_(2)`
`CH_(3)CH_(2)NH_(2)`
`CH_(3)CN`
`CH_(3)COONH_(4)`

Solution :`CH_(3)CONH_(2)overset(_(2)O_(5))rarrCH_(3)Cnoverset(4H)rarrCH_(3)CH_(2)NH_(2)`
Discussion
28.

Identify B in the following reaction: C_(6)H_(5)CH_(2)OH underset((ii)NaOH)overset((i)K_(2)Cr_(2)O_(7))(to)B

Answer»

SOLUTION :`B=C_(6)H_(5)COONA`
Discussion
29.

Identify 'B' from the following reaction :

Answer»

Propan-1-amine
Propan-2-amine
Isopropyl amine
Dimethyl amine

Answer :A
Discussion
30.

Identify B, C, D and E in the following reactions CH_3-underset(CH_3)underset(|)CH-CH_2-CH_2-Brunderset((ii) D_20)underset(rarr)"(i)Mg/Ether"(B) (A) (A) underset(rarr)(LiAlH_4) (C) (A) underset(rarr)(Wurtz) (D) (A) underset((ii) Cu underset(rarr)"(i)Li" (E)

Answer»

Solution :`CH_3-underset(CH_3)underset(|)CH-CH_2-CH_2-Broverset((i) Mg//Ether)rarrCH_3-underset(CH_3)underset(|)CH-CH_2-CH_2-MgBroverset(D_2O)rarrCH_3-underset(CH_3)underset(|)CH-CH_2-CH_2D`
(B)
`CH_3-underset(CH_3)underset(|)CH-CH_2-CH_2-Broverset(LiAlH_4)rarrCH_3-underset(CH_3)underset(|)CH-CH_2-CH_3`
(C)
2 MOL of (A) `overset(Wartz)underset(Na//Ether)rarrCH_3-underset(CH_3)underset(|)CH-CH_2-CH_2-CH_2-CH_2-underset(CH_3)underset(|)CH-CH_3` (D)
`CH_3-underset(CH_3)underset(|)CH-CH_2CH_2-Broverset((i)Li)underset((ii)Cut)rarr(CH_3-underset(CH_3)underset(|)CH-CH_2-CH_2)_2CuLi`
`DARR(A)`
`CH_3-underset(CH_3)underset(|)CH-CH_2-CH_2-CH_2-CH_2-underset(CH_3)underset(|)CH-CH_3`
(E)
Discussion
31.

Identify (B), ( C) and (D) CH_(3)-overset(O)overset(||)(C)-CH_(3)(A)overset(LiAlH_(4))to(B)overset(SOCl_(2))to(C)overset("alc."KOH)to(D)

Answer»

SOLUTION :(B) `CH_(3)-overset(OH)overset(|)(CH)-CH_(3)` Isopropyl alcohol
( C) `CH_(3)-overset(Cl)overset(|)(CH)-CH_(3)` Isopropyl CHLORIDE
(D) `CH_(3)-CH-CH_(2)` propylene
Discussion
32.

Identify (B), (C) and (D) underset("Acetone")(CH_(3)-overset(O)overset(||)C-CH_(3))(A) overset(LiAlH_(4))rarr (B) overset(SoCl_(2))rarr (C ) overset("alc. KOH")rarr (D)

Answer»

SOLUTION :(B) `CH_(3)-overset(OH)overset("|")"CH"-CH_(3)":Isopropyl alcohol"`
(C ) `CH_(3)-overset(CL)overset(|)CH-CH_(3)":Isopropyl chloride"`
(D) `CH_(3)-CH=CH_(2)": propylene"`
Discussion
33.

Identify B

Answer»

`CI_(2)`
`Br_(2)`
`NO_(2)`
`I_(2)`

Solution :`underset((A))(FeBr_(3))+3AgNO_(3)tounderset((D))(Fe(NO_(3))_(3)+3AgBr DARR` (light YELLOW ppt.)
`FeBr_(3)+3H_(2)SO_(4)tounderset((B))(Fe_(2)(SO_(4))_(3)+3Br_(2)`
`FeBr_(3)+3NH_(4)OHtounderset((C))(Fe(OH)_(3) darr)+3NH_(4)Br`
Discussion
34.

Identify B and D in the following sequence of reactions

Answer»

ethanol and BROMOETHANE
Ethyl HYDROGEN sulphate and ALCOHOLIC KOH
Ethyl hydrogen sulphate and aqueous KOH
Ethanol and alcoholic KOH

Solution :
In the sequence of reactions ,B is ethanol and D is alc.KOH.
Discussion
35.

Identify B

Answer»

`CrC1_(3)`
`Cr(OH)_(3)`
`Mn(OH)_(2)`
`CrO_(4)^(2-)`

Solution :`underset(solution)underset(Green)(CrCI_(3)) + 3NH_(4)OH rarr underset("Greensih PPT")(Cr(OH)_(3)darr)+3NH_(4)CI`
`Na_(2)O_(2) +H_(2)O rarr 2NAOH +[O] xx 3`
`2Cr(OH)_(3) +NaOH +3[O] rarr 2Na_(2)CrO_(4) +5H_(2)O`
`ulbar(2Cr(OH)_(3)+3Na_(2)O_(2)rarrunderset("Yellow solution")(2Na_(2)CrO_(4))+2NaOH+2H_(2)O)`
`underset(Yellow)(2CrO_(4)^(2-))+2H^(o+)rarrunderset("Orange")(2CrO_(7)^(2-))+H_(2)O`
`Cr_(2)O_(7)^(2-) +2OH^(Theta) +2Pb^(2+) rarr underset(("Bright yellow ppt"))(2PbCrO_(4)+H_(2)O)`
Discussion
36.

Identify B

Answer»

`ZnSO_(4)`
`CuSO_(4)`
`MgSO_(4)`
`FeSO_(4)`

Solution :(A) is `FeSO_(4).7H_(2)O`
`underset("Light green (A)")(FeSO_(4).7H_(2)O)overset("Gentle heating")tounderset("Colourless")(FeSO_(4))+7H_(2)O`
`FeSO_(4)+NO to underset("Brown (C)")(FeSO_(4).NO)`
`FeSO_(4)+NO to overset(Delta)underset((D))(Fe_(2)O_(3))+underset((E))(SO_(2))+underset((F))(SO_(3))`
`2KMnO_(4)+3H_(2)SO_(4)toK_(2)SO_(4)+2MnSO_(4)+3H_(2)O+5[O]`
`SO_(2)+H_(2)O+O to [H_(2)SO_(4)]XX5`
`ulbar(underset("(PINK)")(2KMnO_(4))+2H_(2)O+5SO_(2) underset("(Almost colourless)")(to) K_(2)SO_(4)+2MnSO_(4)+2H_(2)SO_(4)+2H_(2)SO_(4))`
`SO_(3)+H_(2)Oto H_(2)SO_(4)`
`H_(2)SO_(4)+BaCl_(2)toBaSO_(4)darr+2HCl`
Discussion
37.

Identify B

Answer»

`FeCI_(2)`
`NiCI_(2)`
`ZnCI_(2)`
`FeCI_(3)`

Solution :Zinc oxide turns yellow on heating and white on COOLING. (A) is `ZnO`, which is not soluble in water. `ZnO` is called Chinese white, ZINCITE, philosopher's wool.
`ZnO +2HCI rarr UNDERSET((B))(ZnCI_(2)) +H_(2)O`
`ZnO +2NaOH rarr underset((C))(Na_(2)ZnO_(2))+H_(2)O`
`ZnO` is amphoteric.
`underset((B))(ZnCI_(2))+H_(2)S rarr` No ppt.
This is because `ZNS` is precipitated in basic MEDIUM with sufficient `[S^(2-)]` concentration.
`underset(("Neutral or basic solution"))(ZnCI_(2)+H_(2)S) overset(NH_(4)OH)rarr underset((D))(ZnSdarr) +2HCI`
Discussion
38.

Identify axis of symmetry in the given compound.

Answer»


SOLUTION :N//A
Discussion
39.

Identify and write the organic compounds A and B. CH_(4) +Cl_(2) overset" Sun light "rightarrow A overset"Na metal" rightarrow B.

Answer»

SOLUTION :`ArightarrowCH_(2)C` LOR Methtylchloride or chloromethane1
`Brightarrow C_(2)H_(6)` or Ethane.
Discussion
40.

Identify and write the following in the complex [CO(NH_(3))_(4)Cl_(2)]Cl (i) Cation (ii) Ligands (iii) Name of the ligand (iv) central metal (v) Oxidation state of central metal (vi) Anion (vii) IUPAC name

Answer»

Solution :`[CO(NH_(3))_(4)Cl_(2)]Cl`
Discussion
41.

Identify and write the name of the shaded parts of A and B?

Answer»

Solution :SHADED PART in
A)is octaherdral void,in
B)is TETRA hedral void
Discussion
42.

Identify and indicate the presence of center of chirality, if any, in the following molecules? How many stereoisomers are possible for each. (i) 2-Aminobutane (ii) 3-Bromopent-1-ene (iii) 1,2-Dichloropropane. (iv) 3-Methyl-1-pentene

Answer»

SOLUTION :.
Discussion
43.

Identify and indicate the presence of centre of chirality, if any, in the following molecules. How many stereoisomers are possible for those containing chiral centre ? (i) 1, 2 dichloropropane (ii) 3-bromo -pent -1-ene

Answer»

Solution :(i) `underset("as given below: ") (ClCH_(2) - underset(Cl) underset(|)overset(***)CH - CH_(3)) `has one CENTRE of CHIRALITY denoted by`***` MARK . It has two stereoisomers as given below : <BR>
(II) `underset("stereoisomers as shown below:") (CH_(3) - CH_(2) - underset(Br) underset(|) overset(***) CH - CH = CH_(2)) `has one centre of chirality denoted by `***` mark and has two
Discussion
44.

Identify: An water insoluble nitrate.

Answer»

SOLUTION :BISMUTH oxynitrate `(BiONO_(3))`
Discussion
45.

Identify an extensive property amongst the following.

Answer»

Viscosity
Heat capacity
Density
Surface tension

Answer :B
Discussion
46.

Identify an intensive property among the following

Answer»

GIBBS FREE energy
volume
internal energy
temperature

Answer :D
Discussion
47.

Identify an extensive property amongst the following

Answer»

VISCOSITY
HEAT CAPACITY
Density
Surface TENSION

Solution :Heat capacity is the only EXTENSIVE property.
Discussion
48.

Identify an analgesic from the following

Answer»




ANSWER :A
Discussion
49.

Identify allylic alcohols in the above examples

Answer»

SOLUTION :(ii) and (vi) are allylic ALCOHOLS because they contain-OH group ATTACHED to `sp^3` CARBON next to C=C
Discussion
50.

Identify allylic alcohols in the above examples.

Answer»

SOLUTION :`{:("ALLYLIC slcohols",,,,,"(II) and (VI)"):}`
Discussion