A single alkene is produced when an alkyl bromide reacts with sodium ethoxide and ethanol. This alkene undergeoes hydrogenation and produces 2 - methyl butane . What is the identity of the alkyl bromide ?

Options

A. 1 - bromo -2,2- dimethylpropane
B. 1 - bromobuatane
C. 1 - bromo, 2 - methylbutane
D. 2 - bromo, 2 - methylbutane

Answer

C

Explanation

`CH_3-CH_2-overset(CH_3)overset(|)(CH)-CH_2+Broverset(C_2H_5ONa)underset(C_2H_5OH)rarr`
`CH_3-CH_2-underset(CH_3)underset(|)C=CH_2underset("Ni")overset(H_2)rarrCH_3CH_2-overset(CH_3)overset(|)(CH)-CH_3`