Hydrocarbons - Result Question 2
####2. Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is
[2018]
(a) $CH \equiv CH$
(b) $CH_2=CH_2$
(c) $CH_4$
(d) $CH_3-CH_3$
Show Answer
Solution:
(c)
$ CH_4 \xrightarrow[h \nu]{Br_2} CH_3-Br \xrightarrow[\text{ ether }]{Na} $
$ CH_3-CH_3 $ (less than four ‘C’)