Explore topic-wise MCQs in Chemistry.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Ketones are more polar than ethers.

A. True
B. False
Answer» B. False
Discussion
2.

The C-O bond in carbonyls is polarised, and hence the carbonyl carbon and carbonyl oxygen act as _________ and ________ respectively.

A. electrophile; nucleophile
B. nucleophile; electrophile
C. Lewis base; Lewis acid
D. electrophile; Lewis acid
Answer» B. nucleophile; electrophile
Discussion
3.

What is the approximate planar bond angle between the carbonyl C-O bond and the bond between the carbonyl carbon and the atom attached to it?

A. 60
B. 90
C. 120
D. 135
Answer» D. 135
Discussion
4.

What is the IUPAC name of diisopropyl ketone?

A. 1,3-Diisopropylpropan-2-one
B. 2,4-Dimethylpentan-3-one
C. 2-Methyl-1-(1-methylethyl)propan-1-one
D. 1,3-Dimethylpropan-2-one
Answer» C. 2-Methyl-1-(1-methylethyl)propan-1-one
Discussion
5.

What is the correct IUPAC name of -Methylcyclohexanone?

A. Methylcyclohexanone
B. Methylcyclohexan-2-one
C. 2-Methylcyclohexanone
D. Cyclomethylhexan-2-one
Answer» D. Cyclomethylhexan-2-one
Discussion
6.

What is the IUPAC name of CH3-CO-CH2-CH2-CH3?

A. Butan-1-one
B. Butan-2-one
C. Pentan-1-one
D. Pentan-2-one
Answer» E.
Discussion
7.

_________ ketones are generally named by adding the name of the acyl group as prefix to the word phenone.

A. Ethyl methyl
B. Dialkyl
C. Alkyl phenyl
D. Diphenyl
Answer» D. Diphenyl
Discussion
8.

Which of the following will be the main group when present in a compound together?

A. -CHO
B. -CO
C. -OH
D. -Cl
Answer» B. -CO
Discussion
9.

Acetone is the common name of which of the following ketones?

A. Dimethyl ketone
B. Ethyl methyl ketone
C. Diethyl ketone
D. Methyl n-propyl ketone
Answer» B. Ethyl methyl ketone
Discussion