Which of the following correctly indicate(s) the rate. | CHEMISTRY - PREPARATION OF ALDEHYDES AND KETONES | SolveeIt | Solveeit

Today, November 23

Question

Which of the following correctly indicate(s) the rate.

A

KCN + HCl

B

(hydrate) H2O/H+ hydrate

C

CyanohydrinC2H5CHO $\xrightarrow [ \text { fast } ] { \mathrm { CH } _ { 3 } \mathrm { MgBr } }$

Adduct formation

D

All of these

Answer

CyanohydrinC2H5CHO $\xrightarrow [ \text { fast } ] { \mathrm { CH } _ { 3 } \mathrm { MgBr } }$

Adduct formation

Explanation

Solution

(1) Due to substrate (steric factor)

(2) H bonding in

(3) Cyanohydrin formation is usually reversible