The reaction of ethyl bromide with lead-sodium alloy gives ......... .

Consider the following reactions:
$(a) \; (CH_3)_3CCH(OH)CH_3 \xrightarrow{conc. H_2SO_4} $
$(b) \; (CH_3)_2CHCH(Br)CH_3 \xrightarrow{alc. KOH} $
$(c) \; (CH_3)_2CHCH(Br)CH_3 \xrightarrow{(CH_3)_3CO^{-}K^{+}} $
$(d) \; (CH_3)_2C(OH)CH_2CHO \xrightarrow{\Delta} $
Which of these reaction$(s)$ will not produce Saytzeff product?

Which of the following are correct statements about $C_2H_5Br$?

Predict the product for the following reaction:
$\xrightarrow[\Delta]{alc. \ KOH}$ product

Which of the following alkyl halides has the lowest boiling point?

$1-$chlorobutane on treatment with alcoholic potash forms