Among the following reaction(s) which gives (give) tert-butylbenzene as the major product is/(are)

Among the following reaction(s) which gives (give) tert-butylbenzene a

1.	Among the following reaction(s) which gives (give) tert-butylbenzene as the major product is/(are)
Answer» SOLUTION :Dehydrohalogenation results in ISOBUTYLENE which does not react with BENZENE in PRESENCE of `CH_3ONa`