Find out reagents involved in following conversions :

Answer

(a) `H_(2)O//Hg^(2+)//H^(+)`, (b) `(Sla)_(2) BH//H_(2)O_(2).overset(bar(..))OH`. (c) `2HCl`,
(d) `Na,CH_(3)-l,` (e) `Na, D-O-D`