14
MCQ (Single Correct Answer)
The position of Br in the compound in $\mathrm{CH}_3 \mathrm{CH}=\mathrm{CHC}(\mathrm{Br})\left(\mathrm{CH}_3\right)_2$ can be classified as ........... .
A
allyl
B
aryl
C
vinyl
D
secondary
15
MCQ (Single Correct Answer)
Chlorobenzene is formed by reaction of chlorine with benzene in the presence of $\mathrm{AlCl}_3$. Which of the following species attacks the benzene ring in this reaction?
A
$\mathrm{Cl}^{-}$
B
$\mathrm{Cl}^{+}$
C
$\mathrm{AlCl}_3$
D
$\left[\mathrm{AlCl}_4\right]^{-}$
16
MCQ (Single Correct Answer)
Ethylidene chloride is a/an ........... .
A
vic-dihalide
B
gem-dihalide
C
allylic halide
D
vinylic halide
17
MCQ (Single Correct Answer)
What is 'A' in the following reaction?
A
B
C
D
18
MCQ (Single Correct Answer)
A primary alkyl halide would prefer to undergo ......... .
A
$S_N 1$ reaction
B
$\mathrm{S}_{\mathrm{N}} 2$ reaction
C
$\alpha$-elimination
D
racemisation