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Amines Practice Questions

Class 12 · Chemistry · 2260 free MCQs with instant results and detailed explanations.

2260
Total
725
Easy
1104
Medium
431
Hard

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Topics in Amines

Preparation 516
Diazonium Salts 608
Classification 567
Properties 569

Sample Questions from Amines

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Q1
Easy
Which of the following compounds is a tertiary amine?
A. Methylamine
B. Triethylamine
C. Propylamine
D. Benzylamine
Show Answer & Explanation
Correct Answer: B
Triethylamine has three ethyl groups attached to the nitrogen atom, classifying it as a tertiary amine. The other options have either one or two carbon groups.
Q2
Easy
Which of the following is a primary amine?
A. Ethylamine
B. Aniline
C. Dimethylamine
D. Triethylamine
Show Answer & Explanation
Correct Answer: A
Primary amines have one alkyl group attached to the nitrogen atom, making ethylamine a primary amine.
Q3
Easy
Which compound is classified as a tertiary amine?
A. Methylamine
B. Diethylamine
C. Trimethylamine
D. Phenylamine
Show Answer & Explanation
Correct Answer: C
Tertiary amines have three alkyl groups attached to the nitrogen, making trimethylamine a tertiary amine.
Q4
Medium
Which of the following amines is a primary amine?
A. N,N-Dimethylethanamine
B. N-ethylpropanamine
C. Tripropylamine
D. N,N-Diethylamine
Show Answer & Explanation
Correct Answer: B
N-ethylpropanamine has one ethyl group and one hydrogen atom attached to nitrogen, classifying it as a primary amine.
Q5
Medium
Which amine is considered a tertiary amine?
A. Methylamine
B. Isopropylamine
C. Triethylamine
D. Phenylamine
Show Answer & Explanation
Correct Answer: C
Triethylamine has three ethyl groups attached to nitrogen, thus classifying it as a tertiary amine.
Q6
Medium
Which of the following compounds is NOT an amine?
A. Methylamine
B. Acetamide
C. Aniline
D. Ethylamine
Show Answer & Explanation
Correct Answer: B
Acetamide is an amide, not an amine, as it contains a carbonyl group (C=O) attached to nitrogen.
Q7
Medium
Which of the following amines can act as a Lewis base?
A. Aniline
B. Trimethylamine
C. Methylamine
D. All of the above
Show Answer & Explanation
Correct Answer: D
All listed amines can donate an electron pair to a Lewis acid, thus acting as Lewis bases.
Q8
Hard
Which of the following compounds is a tertiary amine?
A. Methylamine
B. Ethylamine
C. Trimethylamine
D. Butylamine
Show Answer & Explanation
Correct Answer: C
Trimethylamine has three methyl groups attached to the nitrogen atom, defining it as a tertiary amine.
Q9
Hard
Which of the following is an aromatic amine?
A. Aniline
B. Cyclohexylamine
C. Ethylamine
D. Methylamine
Show Answer & Explanation
Correct Answer: A
Aniline is an aromatic amine as it contains a benzene ring directly attached to the amine group.
Q10
Hard
Which of the following amines is least soluble in water?
A. Trimethylamine
B. Ethanolamine
C. Phenethylamine
D. Isopropylamine
Show Answer & Explanation
Correct Answer: C
Phenethylamine is least soluble in water due to its bulky aromatic group that hinders hydrogen bonding compared to the other amines.

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Amines — Class 12 Chemistry Practice Questions Online

This page contains 2260 practice MCQs for the chapter Amines in Class 12 Chemistry. The questions are organized by difficulty — 725 easy, 1104 medium, 431 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 4 topics, giving you comprehensive coverage of the entire chapter.