RCOOH on treatment with PCl5 and KCN, is subjected to hydrolysis followed by Clemmensen’s reduction the product obtained is (a) RCH2 – COCl (b) RCH2 – COOH (c) RCOCN (d) RCN is subjected to hydrolysis followed by Clemmensen's reduction the product obtained is (a) RCH2 - COCl (b) RCH2 - COOH (c) RCOCN (d) RCN [...]