21
MCQ (Single Correct Answer)
What should be the correct IUPAC name for diethylbromomethane?
A
1-bromo-1, 1-diethylmethane
B
3-bromopentane
C
1-bromo-1-ethylpropane
D
1-bromopentane
22
MCQ (Single Correct Answer)
The reaction of toluene with chlorine in the presence of iron and in the absence of light yields ........... .
A
B
C
D
Mixture of (b) and (c)
23
MCQ (Single Correct Answer)
Chloromethane on treatment with excess of ammonia yields mainly
A
N, N-dimethylmethanamine
B
N -methylmethanamine $\left(\mathrm{CH}_3-\mathrm{NH}-\mathrm{CH}_3\right)$
C
methanamine $\left(\mathrm{CH}_3 \mathrm{NH}_2\right)$
D
mixture containing all these in equal proportion
24
MCQ (Single Correct Answer)
Molecules whose mirror image is non-superimposable over them are known as chiral. Which of the following molecules is chiral in nature?
A
2-bromobutane
B
1-bromobutane
C
2-bromopropane
D
2-bromopropan-2-ol
25
MCQ (Single Correct Answer)
Reaction of $\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Br}$ with aqueous sodium hydroxide follows ........... .
A
$\mathrm{S}_{\mathrm{N}} 1$ mechanism
B
$\mathrm{S}_{\mathrm{N}} 2$ mechanism
C
Any of the above two depending upon the temperature of reaction
D
Saytzeff rule