Class 12 Chemistry · Chapter 8 · Test 1
Amines and Basicity
48 MCQs
48 questions · 45 min · 48 marks
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Sample questions
The first 5 of 48. Try each one, then tap to see the answer.
Question 1
Amines are organic derivatives of:
- AWater
- BAmmonia
- CMethane
- DNitric acid
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Answer: B
Amines are derivatives of ammonia in which alkyl or aryl groups replace one or more hydrogen atoms.
Question 2
In a primary amine:
- AOne alkyl or aryl group is attached to the -NH2 group
- BTwo alkyl groups are attached to nitrogen
- CThree alkyl groups are attached to nitrogen
- DFour alkyl groups are attached to nitrogen
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Answer: A
A primary amine has one alkyl or aryl group on the nitrogen of -NH2.
Question 3
In a secondary amine:
- AOne alkyl group is attached to nitrogen
- BThree alkyl groups are attached to nitrogen
- CTwo alkyl or aryl groups are attached to the NH group
- DFour alkyl groups are attached to nitrogen
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Answer: C
A secondary amine has two alkyl or aryl groups on nitrogen.
Question 4
In a tertiary amine:
- AOne alkyl group is attached to nitrogen
- BTwo alkyl groups are attached to nitrogen
- CA carbonyl group is attached to nitrogen
- DThree alkyl or aryl groups are attached to the same nitrogen atom
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Answer: D
A tertiary amine has no hydrogen on nitrogen.
Question 5
Which of the following is a quaternary ammonium salt?
- ACH3NH3+Cl-
- B(CH3)4N+Cl-
- C(CH3)3NH+Cl-
- D(CH3)2NH2+Cl-
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Answer: B
A quaternary ammonium salt has four alkyl groups attached to nitrogen.
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