Amines Practice Questions
NEET · Chemistry · 1492 free MCQs with instant results and detailed explanations.
1492
Total
306
Easy
660
Medium
526
Hard
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Topics in Amines
Properties
383
Diazonium Salts
374
Preparation
367
Classification
368
Sample Questions from Amines
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
Which of the following amines is a tertiary amine?
A.
Methylamine
B.
Propylamine
C.
Trimethylamine
D.
Benzylamine
Show Answer & Explanation
Correct Answer: C
Trimethylamine has three methyl groups attached to the nitrogen atom, classifying it as a tertiary amine, while the others are primary or secondary.
Q2
Easy
Which of the following compounds is an example of a secondary amine?
A.
Diethylamine
B.
Phenethylamine
C.
Butylamine
D.
Aminoethane
Show Answer & Explanation
Correct Answer: A
Diethylamine has two ethyl groups attached to the nitrogen atom, making it a secondary amine, while the others are either primary or structurally different.
Q3
Easy
Which amine is an aromatic amine?
A.
Cyclohexylamine
B.
Aniline
C.
Ethylamine
D.
Trimethylamine
Show Answer & Explanation
Correct Answer: B
Aniline has an amino group attached to a benzene ring, making it an aromatic amine, while the others do not have this structure.
Q4
Medium
Which of the following is a primary amine?
A.
Ethylamine
B.
Diethylamine
C.
Triethylamine
D.
Ammonium hydroxide
Show Answer & Explanation
Correct Answer: A
Ethylamine is a primary amine because it has one alkyl group attached to the nitrogen atom, while Diethylamine and Triethylamine have multiple alkyl groups.
Q5
Medium
Which compound is a secondary amine?
A.
Methylamine
B.
Dimethylamine
C.
Trimethylamine
D.
Ethylamine
Show Answer & Explanation
Correct Answer: B
Dimethylamine is a secondary amine as it contains two methyl groups attached to the nitrogen atom, whereas the others have either one or three alkyl groups.
Q6
Medium
Which of the following statements is true about tertiary amines?
A.
They can form hydrogen bonds with water.
B.
They have three organic groups attached to nitrogen.
C.
They are more basic than primary amines.
D.
They are less soluble in water than primary amines.
Show Answer & Explanation
Correct Answer: B
Tertiary amines have three organic groups attached to the nitrogen atom. This structural feature distinguishes them from primary and secondary amines.
Q7
Medium
What type of amine is formed by the reaction of an amine with an alkyl halide?
A.
Primary amine
B.
Secondary amine
C.
Tertiary amine
D.
Quaternary ammonium salt
Show Answer & Explanation
Correct Answer: C
Reacting an amine with an alkyl halide can lead to the formation of tertiary amines when two substituents are already present on nitrogen.
Q8
Hard
Which of the following amines will show the highest basicity due to steric hindrance?
A.
tert-butylamine
B.
ethylamine
C.
aniline
D.
dimethylamine
Show Answer & Explanation
Correct Answer: A
Tert-butylamine has a bulky tert-butyl group that increases electron density at the nitrogen atom, making it more basic despite steric hindrance. However, the steric hindrance does not significantly affect its ability to donate a lone pair compared to other options.
Q9
Hard
How many distinct structural isomers can be formed from the compound C4H11N?
A.
4
B.
5
C.
6
D.
7
Show Answer & Explanation
Correct Answer: B
C4H11N can form five distinct structural isomers: butylamine, isobutylamine, sec-butylamine, tert-butylamine, and N-methylpropylamine due to different arrangements of carbon and nitrogen.
Q10
Hard
Which of the following amines will react fastest in a nucleophilic substitution reaction with alkyl halides?
A.
aniline
B.
ethylamine
C.
triethylamine
D.
N,N-dimethylamine
Show Answer & Explanation
Correct Answer: B
Ethylamine is a primary amine and has a high nucleophilicity, making it react faster in nucleophilic substitution compared to secondary and tertiary amines, which are more sterically hindered.
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Amines — NEET Chemistry Practice Questions Online
This page contains 1492 practice MCQs for the chapter Amines in NEET Chemistry. The questions are organized by difficulty — 306 easy, 660 medium, 526 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.