Iodoethane reacts with sodium in the presence of dry ether. The product is

Arrange the following compounds in order of decreasing rate of hydrolysis for $S_N1$ reaction:
$(i)$ $C_6H_5CH_2Br$
(ii) $p-CH_3-C_6H_4-CH_2Br$
(iii) $p-CH_3CH_2-C_6H_4-CH_2Br$
(iv) $p-(CH_3)_2CH-C_6H_4-CH_2Br$

Chloropicrin is a strong lachrymatory compound and is used in war. It is prepared by

The compound most reactive towards $S_{N}1$ reaction is :

Which of the following statements is incorrect regarding benzyl chloride?

Monochlorination of toluene in the presence of sunlight followed by hydrolysis gives: