19 To which carbon is the leaving group attached in the tosy

19. To which carbon is the leaving group attached in the tosylate below? (that\'s the carbon at which the substitution will occur) H3C 5-0-c-c-ocH

Solution

Ans : C

Leaving group is the moeity that departs with the electron pair in a heterolytic cleavage.

Here the substitution occurs at the carbon atom labelled as C in the molecule shown below.