Question

The decreasing order of the ratio of HCN addition to compounds A to D is

• A. HCHO
• B. $\mathrm { PhCOCH } _ { 3 }$
• C. $\mathrm { CH } _ { 3 } \mathrm { COCH } _ { 3 }$
• D.

Answer 1

Answer: (D)

Answer 2

As increase steric hinderance around carbonyl group then rate of nucleophilic addition reaction decreases