Explore topic-wise MCQs in Organic Chemistry.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Primary amides get converted into primary amines by _________

A. Addition
B. Oxidation
C. Reduction
D. Acylation
Answer» C. Reduction
Discussion
2.

Carbonyl compounds especially ketones undergo reduction to form __________

A. Primary alcohols
B. Secondary alcohols
C. Alkanes
D. Alkenes
Answer» C. Alkanes
Discussion
3.

Primary alcohols undergo what reaction to form alkenes?

A. Elimination
B. Oxidation
C. Reduction
D. Hydrolysis
Answer» B. Oxidation
Discussion
4.

Select the correct statement regarding carboxylic acids.

A. They form acyl chlorides on reaction with PCl5
B. Aldehydes in the presence of H+/Cr2O7 forms carboxylic acids
C. They combine with alcohols to form esters
D. Upon polymerization, they form polymers
Answer» E.
Discussion
5.

Identify the one which on reaction with carboxylic acid at high temperature gives Ester?

A. Ketone
B. Alcohol
C. Aldehyde
D. Sugars
Answer» C. Aldehyde
Discussion
6.

Alkene under high temperature and high-pressure forms ___________

A. Alcohol
B. Polyalkyne
C. Polyalkane
D. Polyalkene
Answer» D. Polyalkene
Discussion
7.

Alcohol on refluxing with Cr2O7 gives ____________

A. Ester
B. Aldehyde
C. Sugar
D. Carboxylic acid
Answer» E.
Discussion
8.

Choose the correct one which will react faster in the SN2 nucleophilic substitution reaction?

A. CH2 – CH = CH2 = Br
B. CH2 = CH – CH2 – Br
C. CH2 = CH – CH2 = Br
D. CH = CH2 – CH2 – Br
Answer» C. CH2 = CH – CH2 = Br
Discussion
9.

Identify the one which does not come under the organic addition reaction?

A. Hydration
B. Dehydration
C. Halogenation
D. Hydrohalogenation
Answer» C. Halogenation
Discussion
10.

PRIMARY_AMIDES_GET_CONVERTED_INTO_PRIMARY_AMINES_BY:?$

A. Addition
B. Oxidation
C. Reduction
D. Acylation
Answer» C. Reduction
Discussion
11.

Carbonyl compounds especially ketones undergo reduction to for?

A. Primary alcohols
B. Secondary alcohols
C. Alkanes
D. Alkenes
Answer» C. Alkanes
Discussion
12.

Primary alcohols undergo what reaction to form alkenes?

A. Elimination
B. Oxidation
C. Reduction
D. Hydrolysis
Answer» B. Oxidation
Discussion
13.

Select the correct statement regarding carboxylic acids

A. They form acyl chlorides on reaction with PCl5
B. Aldehydes in the presence of H+/ Cr2O7 forms carboxylic acids
C. They combine with alcohols to form esters
D. Upon polymerization, they form polymers
Answer» E.
Discussion
14.

Identify the one which on reaction with carboxylic acid at high temperature gives Ester

A. Ketone
B. Alcohol
C. Aldehyde
D. Sugars
Answer» C. Aldehyde
Discussion
15.

Alkene under high temperature and high-pressure forms

A. Alcohol
B. Polyalkyne
C. Polyalkane
D. Polyalkene
Answer» D. Polyalkene
Discussion
16.

Alcohol on refluxing with Cr2O7 gives:

A. Ester
B. Aldehyde
C. Sugar
D. Carboxylic acid
Answer» E.
Discussion
17.

What will be the reactivity of chlorobenzene in an electrophilic substitution reaction with benzene?

A. Reacts very slowly than benzene
B. Reacts in the same way as benzene
C. Reacts faster than benzene
D. Does not react with benzene
Answer» B. Reacts in the same way as benzene
Discussion
18.

Choose the correct one which will react faster in the SN2 nucleophilic substitution reaction

A. CH2-CH=CH2=Br
B. CH2 = CH- CH2 – Br
C. CH2 = CH- CH2 = Br
D. CH= CH2 – CH2 – Br
Answer» C. CH2 = CH- CH2 = Br
Discussion
19.

Identify the one which does not come under the organic addition reaction

A. Hydration
B. Dehydration
C. Halogenation
D. Hydrohalogenation
Answer» C. Halogenation
Discussion