ALDEHYDES, KETONES AND CARBOXYLIC ACID
28302
(image) \(\mathop {\xrightarrow{{conc.\,HCl}}}\limits_{Heat} \) \(A + B\)The unknown compounds \(A\) and \(B\) in the above reaction are :
1 Phenyl mercaptan and aniline
2 Thiophenol and aniline hydrochloride
3 \(C_6H_5-N=C=S\) and \(C_6H_5 \mathop N\limits^ \oplus H_3\overline {Cl} \)
4 \(C_6H_5CH_2SH\) and \(C_6H_5 \mathop N\limits^ \oplus H_3\overline {Cl} \)