Amines Test

Amines

This is amines Test-03 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which of the following amines can be resolved into enantiomers?
  • A
    2 – pentanamine
    Correct
  • B
    4 – (dimethylamino) pyridine
  • C
    3 – pentanamine
  • D
    trimethylamine
2
Which of the following is a secondary amine?
  • A
    3 – pentanamine
  • B
    N – ethyl – 1 – propanamine
    Correct
  • C
    methylamine
  • D
    N,N – dimethylaniline
3
When pentanal reacts with ethylamine under conditions of acid catalysis, the major organic product is __________.
  • A
    a nitrile
  • B
    a ketone
  • C
    an imine
    Correct
  • D
    a hydrazone
4
Amines are soluble in
  • A
    water
    Correct
  • B
    only slightly soluble in organic solvents
  • C
    organic solvents
  • D
    only slightly soluble in water
5
Arrange the following compounds in order of increasing boiling point:
Question 5 figure 1
  • A
    Low to high Option A
  • B
    Low to high Option B
    Correct
  • C
    Low to high Option C
  • D
    Low to high Option D
6
When a 1° amine reacts with an alkyl sulfonyl chloride, the major organic product is __________.
  • A
    a nitrile
  • B
    a sulfoxide
  • C
    a sulphonamide
    Correct
  • D
    None of these
7
Which of the following is a tertiary amine?
  • A
    N,N – dimethylaniline
    Correct
  • B
    cyclohexylamine
  • C
    N – ethyl – 1 – propanamine
  • D
    3 – pentanamine
8
When pyridine is treated with a mixture of nitric and sulfuric acids, the major product is:
  • A
    3 – nitropyridine
    Correct
  • B
    3 – aminopyridine
  • C
    4 – aminopyridine
  • D
    2 – nitropyridine
9
Sec – Butylamine is the common name of what compound?
  • A
    2 – butanamine
    Correct
  • B
    N – methyl – 1 – propanamine
  • C
    1 – butanamine
  • D
    N – ethylethanamine
10
Arrange the following in order of increasing basicity: aniline, p – nitroaniline, p – toluidine,and p – methoxyaniline
  • A
    aniline < p – methoxyaniline p – nitroaniline < p – toluidine
  • B
    p – nitroaniline < aniline< p – methoxyaniline < p – toluidine
  • C
    p – methoxyaniline p – nitroaniline < aniline < p – toluidine
  • D
    p – nitroaniline < aniline < p – toluidine < p – methoxyaniline
    Correct
11
Pyridine typically undergoes electrophilic aromatic substitution as compared to benzene,
  • A
    same or more
  • B
    less
    Correct
  • C
    same
  • D
    more
12
In Pyridine, preferred site of substitution is one of the following positions
  • A
    4
  • B
    3
    Correct
  • C
    2
  • D
    5
13
Which of the following is an intermediate in the mechanism for amide synthesis through acylation of an amine?
Question 13 figure 1
  • A
    B
  • B
    A
    Correct
  • C
    D
  • D
    C
14
Aniline does not undergo one of the following
  • A
    Nitration
  • B
    Bromination
  • C
    Sulphonation
  • D
    alkylation and acetylation
    Correct
15
Benzene diazonium chloride reacts with phenol in which the phenol molecule at its para position is coupled with the diazonium salt to form p – hydroxyazobenzene
  • A
    Coupling reaction
    Correct
  • B
    Carbon tetra chloride
  • C
    DDT
  • D
    Iodoform