Explore topic-wise MCQs in Chemistry.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Hexamethylenediamine is named as __________ in the IUPAC system.

A. Hexane-1,3-diamine
B. Hexane-1,4-diamine
C. Hexane-1,5-diamine
D. Hexane-1,6-diamine
Answer» E.
2.

Identify the incorrect name of the aromatic primary amine with the formula C7H9N.

A. Benzenamine
B. Benzylamine
C. Phenylaminomethane
D. Phenylmethanamine
Answer» B. Benzylamine
3.

The IUPAC name of allylamine is prop-2-en-1-amine.

A. True
B. False
Answer» B. False
4.

What is the IUPAC name of the following compound?

A. N-Ethylpentan-1-amine
B. N-Ethylpentan-2-amine
C. N,N-Diethylbutan-1-amine
D. N-Ethyl-N-Butylethanamine
Answer» D. N-Ethyl-N-Butylethanamine
5.

What is the correct IUPAC name of CH3-NH-CH2CH3?

A. N-Methylethanamine
B. N-Ethylmethanamine
C. N-Ethyl-N-methylmethanamine
D. N-Ethyl-N-methylamine
Answer» B. N-Ethylmethanamine
6.

Benzylamine is the IUPAC name of aniline.

A. True
B. False
Answer» C.
7.

Which of the following is the correct IUPAC name of (CH3)3N?

A. Trimethylamine
B. N-Methylethanamine
C. N,N-Dimethylmethanamine
D. N,N,N-Trimethylamine
Answer» D. N,N,N-Trimethylamine
8.

Identify the incorrect name of the shown compound.

A. N-Propylamine
B. Isopropylamine
C. 2-Aminopropane
D. Propan-2-amine
Answer» B. Isopropylamine
9.

In the IUPAC system, the prefix N– is generally used for _______ amines.

A. primary
B. secondary
C. tertiary
D. secondary and tertiary
Answer» E.
10.

What is the correct IUPAC name of H2N-(CH2)5-NH2?

A. Pentan-1,5-diamine
B. 1,5-Diaminopentane
C. Pentamethylenediamine
D. Pentane-1,5-diamine
Answer» E.
11.

What is the correct common name of H2N-CH2-CH2-NH2?

A. Ethylenediamine
B. 1,2-Diaminoethane
C. Ethyldiamine
D. Aminoethylamine
Answer» B. 1,2-Diaminoethane
12.

Which of the following names of aromatic amines does not belong to the common naming system?

A. Aniline
B. o-Toluidine
C. 4-Bromoaniline
D. N–Methylaniline
Answer» D. N–Methylaniline
13.

Which of the following names of amines belong strictly to the common system?

A. Ethylmethylamine
B. Aniline
C. Benzenamine
D. Propan-1-amine
Answer» B. Aniline
14.

Which of the following is the IUPAC name of the compound in which one hydrogen of ammonia is replaced by an ethyl group?

A. Ethylamine
B. Aminoethane
C. Ethanamine
D. Ethane amine
Answer» D. Ethane amine