41
MCQ (Multiple Correct Answer)
Which of the following compounds are gem-dihalides?
A
Ethylidene chloride
B
Ethylene dichloride
C
Methylene chloride
D
Benzyl chloride
42
MCQ (Multiple Correct Answer)
Which of the following are secondary bromides?
A
$\left(\mathrm{CH}_3\right)_2 \mathrm{CHBr}$
B
$\left(\mathrm{CH}_3\right)_3 \mathrm{C} \mathrm{CH}_2 \mathrm{Br}$
C
$\mathrm{CH}_3 \mathrm{CH}(\mathrm{Br}) \mathrm{CH}_2 \mathrm{CH}_3$
D
$\left(\mathrm{CH}_3\right)_2 \mathrm{CBrCH}_2 \mathrm{CH}_3$
43
MCQ (Multiple Correct Answer)
Which of the following compounds can be classified as aryl halides?
A
$p-\mathrm{ClC}_6 \mathrm{H}_4 \mathrm{CH}_2 \mathrm{CH}\left(\mathrm{CH}_3\right)_2$
B
$p-\mathrm{CH}_3 \mathrm{CHCl}\left(\mathrm{C}_6 \mathrm{H}_4\right) \mathrm{CH}_2 \mathrm{CH}_3$
C
$o-\mathrm{BrH}_2 \mathrm{C}-\mathrm{C}_6 \mathrm{H}_4 \mathrm{CH}\left(\mathrm{CH}_3\right) \mathrm{CH}_2 \mathrm{CH}_3$
D
$\mathrm{C}_6 \mathrm{H}_5-\mathrm{Cl}$
44
MCQ (Multiple Correct Answer)
Alkyl halides are prepared from alcohols by treating with
A
$\mathrm{HCl}+\mathrm{ZnCl}_2$
B
$\operatorname{Red} \mathrm{P}+\mathrm{Br}_2$
C
$\mathrm{H}_2 \mathrm{SO}_4+\mathrm{KI}$
D
All of these
45
MCQ (Multiple Correct Answer)
Alkyl fluorides are synthesised by alkyl chloride/bromide in presence of ............. or .......... .
A
$\mathrm{CaF}_2$
B
$\mathrm{CoF}_2$
C
$\mathrm{Hg}_2 \mathrm{F}_2$
D
$\mathrm{NaF}$