Q.
For the preparation of a detergent $'P'$ from benzene, the following steps are involved:
$I.\xrightarrow[\text{HF,Friedel-Crafts reaction}]{RCH=CH_{2}}$
$II. \xrightarrow{H_{2}SO_{4}/SO_{3}}$
These steps should be in sequence of
Chemistry in Everyday Life
Solution:
Correct answer is (a) $I, II, III $
