Q.
Methyl cyanide $\xrightarrow[\text { conc. } HCl ]{2 H , SnCl _2} P\xrightarrow{ H _2 O / H ^{+}} Q$
$Q \xrightarrow{ HCN }R \xrightarrow{ H ^{+}, H _2 O }S$
Find the number of chiral carbon(s) present in the final product ' $S$ '.
NTA AbhyasNTA Abhyas 2022
Solution: