Q. An alkyl chloride produces a single alkene on reaction with sodium ethoxide and ethanol. the alkene further undergoes hydrogenation to yeild 2-methylbutane. identify the alkyl chloride from amongst the following

a) ClCH2CH(CH3)CH2CH3

b) ClCH2CH2CH3

c) ClCH2CH(CH3)CH2CH3

d) CH3C(Cl)(CH3)CH2CH3