tert-Butyl chloride on treatment with sodium alkoxide yields

(A) Di-tert-butyl ether cannot be prepared by Williamson's ether synethesis. (R ) tert-Butyl bromide on treatment with sodium tert-butoxide preferentially undergoes elimination to form isobutylene and tert-butyl alcohol

Tert - butyl chloride is

The major product obtained when tert-butyl bromide is heated with sodium ethoxide is

The major product obtained when tert -butyl bromide is heated with sodium ethoxide is

The major product obtained when tert- butyl bromide is heated with sodium ethoxide is