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 the reaction order from each of the following units of reactions rate constants.

Answer»

SOLUTION :i) ZERO ORDER, II) SECOND order.
Discussion
2.

Identify the reaction order from the following rate constant K=2.3xx10^(-5) lt/mole /sec

Answer»

1ST ORDER
2ND order
3rd order
None of these

Solution :BASED on UNIT it is 2nd order
Discussion
3.

Identify the reaction conditions for the following reactions

Answer»


ANSWER :B
Discussion
4.

Identify the reaction among following which is not stated correctly:

Answer»

`Ph-overset(O)overset("||")C-O-C_(2)H_(5)+NH_(3)rarrPh-overset(O)overset("||")C-NH_(2)+C_(2)H_(5)OH`
`Ph-overset(O)overset("||")C-NH_(2)overset(LiAlH_(4))underset(H_(2)O)rarrPh-CH_(2)NH_(2)`
`CH_(3)Li+CH_(3)OH rarrCH_(3)-O-CH_(3)+LiOH`

Answer :C
Discussion
5.

Identify the reactants (X) and (Y) for the following reaction, respectively. (X)+(Y)overset(NaNH_(2))rarr4- Decyne Alkyl halide Alkyne

Answer»

`CH_(3)(CH_(2))_(4)CH_(2)-Cl+CH_(3)-C-=CH`
`CH_(3)(CH_(2))^(2)CH_(2)-Cl+CH_(3)-(CH_(2))_(2)-C-=CH`
`CH_(3)(CH_(2))_(2)CH_(2)-Cl+CH_(3)(CH_(2))-C-=CH`
`CH_(3)-CH_(2)-CH_(2)-Cl+CH_(3)(CH_(2))_(4)-C-=CH`

Solution :NA
Discussion
6.

Identify the reactant 'A' in the following reaction A+2R-XtoR_4N^+X^-

Answer»

SOLUTION :`R_(2)NH`
Discussion
7.

Identify the products obtained in the following reaction (AAK_MCP_36_NEET_CHE_E36_007_Q01)

Answer»


(`AAK_MCP_36_NEET_CHE_E36_007_A01`)

ANSWER :B
Discussion
8.

Identify the product of the following reaction:

Answer»

SOLUTION :
Discussion
9.

Identify the products in the following reactions. Write their IUPAC names and mention the mechanism involved in the reactions. (i) cyclopentanol underset(Delta)overset(H_2SO_4)to(ii) butan - 1-ol underset(H_2SO_4)overset(NaBr)to (iii) neopentyl alcohol overset(PCl_5)to

Answer»

Solution :
This reaction involves `E_1`- mechanism.
(II) `UNDERSET(("Butan - 1-ol"))(CH_3-CH_2 -CH_2-CH_2-OH)underset(H_2SO_4)OVERSET(NaBr)to underset("1-bromo butane")(CH_3-CH_2-CH_2-CH_2Br)`
This reaction `Sn^2` mechanism.

Discussion
10.

Identify the product obtained when following acids, undergo prolonged heating,

Answer»

SOLUTION :The PRODUCT obtained prolonged HEATING of the GIVEN acids are as follows :
Discussion
11.

Identify the products in the following reactions. Write the IUPAC names and mention the mechanism involved in the reactions. (i) cyclopentanol overset(H_(2)SO_(4))underset(Delta) to (ii) "butan"-1-ol overset(NaBr) underset(H_(2)SO_(4)) to (iii) neopentyl alcohol overset(PCl_(5)) to

Answer»

Solution :(i)
(ii) `CH_(3)CH_(2)CH_(2)CH_(2)OH overset(NaBr) underset(H_(2)SO_(4)) to CH_(3)CH_(2) - CH_(2)CH_(2)Br`
It is an nuclephilic substitution reaction.
(III) `underset("Neo pentyl ALCOHOL") (CH_(3)-underset(CH_(3)) underset(|)overset(CH_(3)) overset(|) C-CH_(2)OH overset(PCl_(5)) to underset("Neo pentyl chloride")(CH_(3)-overset(CH_(3)) overset(|)underset(CH_(3)) underset(|) C-CH_(2)Cl`
1- Chloro -2, 2-dimethyl propane
The reaction FOLLOWS `SN_(2)` mechanism.
Discussion
12.

Identify the product obtained when following acids, undergo prolonged heating, PH- overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-OH

Answer»

Solution :`Ph-OVERSET(O) overset(||)(C)-CH_(3)+CO_(2)`
Discussion
13.

Identify the product obtained when following acids, undergo prolonged heating,

Answer»

SOLUTION :The product obtained PROLONGED HEATING of the given ACIDS are as FOLLOWS :
Discussion
14.

Identify the products in the following, giving their configurations. (If any)

Answer»


SOLUTION :N//A
Discussion
15.

Identify the product obtained when following acids, undergo prolonged heating,

Answer»

SOLUTION :The PRODUCT OBTAINED prolonged heating of the given ACIDS are as FOLLOWS :
Discussion
16.

Identify the products formed when But-1-ene undergoes reductive ozonolysis?

Answer»

`HCHO + CH_3CHO`
`HCHO + CH_3CH_2CHO`
`CH_3COCH_3 + CH_3CHO`
`HCHO + CH_3COCH_3`

SOLUTION :`HCHO + CH_3CH_2CHO`
Discussion
17.

Identify the product obtained when following acids, undergo prolonged heating,

Answer»

Solution :The PRODUCT obtained PROLONGED HEATING of the given acids are as FOLLOWS :
Discussion
18.

Identify the products A and B formed in the following reaction :CH_(3)-CH_(2)-CH=CH-CH_(3)+HCl to A+B

Answer»

SOLUTION :The given alkene is unsymmetrical. Thus REACTION takes place as per Markovnikov.s RULE.
`underset(darr)(CH_(3)CH_(2)CH-CH=CH-CH_(3)+HCl`
`underset("2-Chloropentane")underset("(Major) (A)")(CH_(3)-CH_(2)-CH_(2)-underset("I")underset("|")("C")H-CH_(3))+underset("3-Chloropentane")underset("(Minor) (B)")(CH_(3)-CH_(2)-underset("I")underset("|")("C")H-CH_(2)-CH_(3))`
Discussion
19.

Identify the product obtained when following acids, undergo prolonged heating,

Answer»

SOLUTION :The product obtained prolonged heating of the GIVEN ACIDS are as FOLLOWS :
Discussion
20.

Identify the products A and B formed in the following reaction : CH_(3)CH_(2)CH = CH - CH_(3) + HCl to A + B

Answer»

Solution :`A = CH_(3) - CH_(2) - UNDERSET(Cl) underset(|)CH - CH_(2) - CH_(3) `
`B = CH_(3) - CH_(2) - CH_(2) - underset(Cl) underset(|) CH - CH_(3) `
Discussion
21.

Identify the product obtained when following acids, undergo prolonged heating,

Answer»

SOLUTION :The product obtained PROLONGED HEATING of the GIVEN acids are as FOLLOWS :
Discussion
22.

Identify the products A and B in the following reaction(AAK_MCP_37_NEET_CHE_E37_035_Q01)

Answer»

`(AAK_MCP_37_NEET_CHE_E37_035_A01)`

ANSWER :A
Discussion
23.

Identify the product obtained when following acids, undergo prolonged heating,

Answer»

Solution :The product OBTAINED PROLONGED HEATING of the given ACIDS are as FOLLOWS :
Discussion
24.

Identify the product in the following sequence 3, 4, 5-Tribromoaniline underset((2) H_(3)PO_(2))overset((1)" Diazotization")(rarr) ?

Answer»

3, 4, 5-Tribromobenzene
1, 2, 3- Tribromobenzene
2, 4, 6-Tribromobenzene
3, 4, 5-Tribromonitrobenzene.

Solution :
Discussion
25.

Identify the product? (i). overset(NaBH_(4))larrMe-CHOoverset(LiAIH_(4))to (ii). overset(NaBH_(4))larrMe_(2)Cooverset(LiAlH_(4))to (iii). overset(NaBH_(4))toMe-COCloverset(LiAlH_(4))to (iv). overset(NaBH_(4))larrMe-COOEtoverset(LiAlH_(4))to (v). overset(NaBH_(4))toMe-COOHoverset(LiAlH_(4))to (vi). overset(NaBH_(4))larrMe-COOMeoverset(LiAlH_(4))to (vii). overset(NaBH_(4))larrMe-CONH_(2)overset(LiAlH_(4))to (viii). overset(NaBH_(4))larrMe-CONH-Meoverset(LiAlH_(4))to (ix). overset(NaBH_(4))larrMe-CONMe_(2)overset(LiAlH_(4))to (x). overset(NaBH_(4))larrMe-CH=NH overset(LiAlH_(4))to (xi). overset(NaBH_(4))larrCH_(3)-CH=CH_(2)overset(LiAlH_(4))to

Answer»

Solution :(i). `MeCH_(2)-OH,Me-CH_(2)OH`
(ii). `Me_(2)CH-OH,Me_(2)CH-OH`
(iii). `MeCH_(2)-OH,Me-CH_(2)OH`
(iv). No REACTION, `Me-CH_(2)-OH+EtOH`
(v). No reduction `MeCH_(2)-OH`
(vi). No reaction, `MeCH_(2)-OH+MeOH`
(VII). No reduction `MeCH_(2)NH_(2)`
(VIII). No reduction, `MeCH_(2)-NH-Me`
(ix).
(X). No reaction, `Me-CH_(2)-NH_(2)`
(xi). No reaction, no reaction.
Discussion
26.

Identify the products A and B giving proper explanation : (a)

Answer»


SOLUTION :N//A
Discussion
27.

Identify the product in the following reaction

Answer»

`CH_(3)CH_(2)OH`
`CH_(2)=CH_(2)`
`CH_(3)CH_(2)-CH_(2)-OH`
`CH_(3)CH=CH_(2)`

Answer :4
Discussion
28.

Identify the product Z in the series of the reaction……………… CH_(3)Cnoverset(Na+C_(2)H_(5)OH)(to)Xoverset(HNO_(2))(to)Yunderset(H_(2)SO_(4))overset(K_(2)Cr_(2)O_(7))(to)X

Answer»

`CH_(3)CHO`
`CH_(3)CONH_(2)`
`CH_(3)COOH`
`CH_(3)CH_(2)NHOH`

Solution :`underset("Metyl Cyanide")(CH_(3)CN)overset(Na+C_(2)H_(5)OH)(to) underset("ETHYL amine")(CH_(3)CH_(2)NH_(2))overset(HNO_(2))(to) underset("Ethyl alcohol")(CH_(3)CH_(2)OH)underset(H_(2)SO_(4))overset(K_(2)Cr_(2)O_(7))(to) underset("ACETIC acid ")(CH_(3)COOH`
Discussion
29.

Identify the product in the following reaction:

Answer»




ANSWER :C
Discussion
30.

Identify the product Z in the series. CH_(3)CNoverset(Na+C_(2)H_(5)OH)rarrXoverset(HNO_(2))rarrYunderset(H_(2)SO_(4))overset(K_(2)Cr_(2)O_(7))rarrZ

Answer»

`CH_(3)CHO`
`CH_(3)CONH_(2)`
`CH_(3)COOH`
`CH_(3)CH_(2)NHOH`

Solution :`CH_(3)-C-=Nunderset("Reduction")OVERSET(Na+ErOH)rarrCH_(3)-CH_(2)-NH_(2)overset(HNO_(2))rarrCH_(3)CH_(2)-Ohunderset(H_(2)SO_(4))overset(K_(2)Cr_(2)O_(7))rarrCH_(3)COOH`
Discussion
31.

Identify the product in the following reaction :

Answer»

SOLUTION :
Discussion
32.

Identify the product 'Z' in the following series of reactions. C_(6)H_(12)O_(6)(" glucose ")overset(HCN)(to)X overset(H_(2)O)(to)Y overset(Hl)underset(P)(to)Z.

Answer»

Hexanoic ACID
`alpha`-METHYL caproic acid
Heptanoic acid
None of these

Answer :C
Discussion
33.

identify the product formed when propan -1-0l is treated with conc.H_(2)SO_(4) at 413K. Write the mechanism inbvolved for the above reaction .

Answer»

SOLUTION : 1-porpoxypropane is FORMED .
Mechanism INVOLVED :
STEP: 1 : Formation of protonated ALCOHOL
Discussion
34.

Identify the product formed when glycerol is treated with nitric acid and conc.H_2SO_4 ?

Answer»

NITROGLYCERINE
GLYCERYL TRIACETATE
Prop-2-enal
Glyceric acid

SOLUTION :Nitroglycerine
Discussion
35.

Identify the product Z in the following series of reactions :C_6H_12O_6 overset(HCN)rarr Xoverset(H_2O)rarrYoverset(HI)rarrZ

Answer»

Hexanoic ACID
`ALPHA`-METHYL caproic acid
Heptanoic acid
None of these

Answer :C
Discussion
36.

Identify the product formed when diazomethane reacts with Ethanol in the presence of HBF_4 ?

Answer»

METHOXY ETHANE
Ethoxy ethane
Diethyl ether
Ethyl ISOPROPYL ether

SOLUTION :Methoxy ethane
Discussion
37.

Identify the productY in theseriesCH_(3)CH_(2)CH_(2)CN overset(NagH + H_(2) O)to X overset(HCl + NaNO_(2))toY

Answer»

1-propanol
2-propanl
1-butanol
2-butanol

Answer :C
Discussion
38.

Identify the product formed when benzaldehyde reacts with chlorine in the presence of conc.FeCl_2 ?

Answer»

<P>m - chlorobenzaldehyde
o - chlorobenzaldehyde
p - chlorobenzaldehyde
BENZOYL chloride

Solution :m - chlorobenzaldehyde
Discussion
39.

Identifythe productY in the series (CH_(3))_(2)CH = NOHoverset(Na + C_(2)H_(5)OH) to X overset(HNO_(2))toY

Answer»

2-propanol
2-propanamine
2-butanol
1-proptanl

ANSWER :A
Discussion
40.

Identify the product formed when benzaldehyde reacts with chromyl chloride?

Answer»

BENZOIC acid
BENZALDEHYDE
Phenyl methanol
Phenol

Solution :Benzaldehyde
Discussion
41.

Identify the product formed when acetaldehyde reacts with ammonia?

Answer»

`CH_3 - CH= NH `
`CH_3- CH_2 -NH_2`
`CH_3 - undersetoverset(|)(NH_2)(C )H - CH_3 `
`CH_3 - NH_2`

SOLUTION :`CH_3 - CH= NH `
Discussion
42.

Identify the product formed when benzaldehyde reacts with chlorine in the absence of catalyst?

Answer»

<P>p - chlorobenzaldehyde
o - chlorobenzaldehyde
BENZOYL CHLORIDE
m - chlorobenzaldehyde

Solution :Benzoyl chloride
Discussion
43.

Identify the product Z in the following sequence of reactions "phenol" overset(NaOH)to X underset(4-7 atm, 410 K)overset(CO_(2))to Y overset(H_(3)O^(+))to Z

Answer»

Aspirin
Salicylaldehyde
BENZOIC acid
Salicylic acid

Answer :D
Discussion
44.

Identify the product y in the following reaction sequence

Answer»

Pentane
Cyclobutane
Cyclopentane
Cyclopentanoue.

Solution :Nucleophilic ATTACK by labelled `( "Cl O"^(18))` METHANOL with PRODUCE labelled ESTER.
Discussion
45.

Identify the product formed when acetamide reacts with LiAIH_4?

Answer»

METHYL AMINE
Aceto NITRITE
Ethyl amine
Ethylcyanide

SOLUTION :Ethyl amine
Discussion
46.

Identify the product for the following reaction CH_(3)-overset(O)overset(||)C-CH_(3)+underset(CH_(2)OH)overset(CH_(2)OH)|overset(HCl)hArr

Answer»

`CH_(3)-OVERSET(CH_(3))overset(|)CHOH+overset(COOH)overset(|)COOH`


No reaction

Solution :Ketones do not react with monohydric alcohols but do so with dihydricalcohols to GIVE CYCLIC ketals.
Discussion
47.

Identify the product y in the following reaction sequence PhC-="C Me"overset(H_(3)O^(+)//Hg^(2+))rarr?

Answer»

`PhCH_(2)CH_(2)CHO`
`PhCOCH_(2)CH_(3)`
`PhCH_(2)COCH_(3)`
`PhCOCOMe`.

SOLUTION :
Discussion
48.

Identify the product formed in the reaction

Answer»




SOLUTION : GROUP is REDUCED to `CH_2` - (wolf-kishner REDUCTION )
Discussion
49.

Identify the product 'X' in the reaction

Answer»




ANSWER :B
Discussion
50.

Identify the product D in thefollowing sequence of reactions : H_(3)C-CH_(2)-CH_(2)-Cl underset(Delta)overset("Alc. KOH")rarrB overset(HBr)rarr Cunderset("Ether")overset("Na")rarrD

Answer»

2, 2-Dimethylbutane
2, 3-Dimethylbutane
Hexane
2, 4-Dimethylpentane

Answer :A::B::C::D
Discussion