Question

which of the following 2 halo nitrobenzene is most reactive towards nucleophlic aromatic substitution reaction ?​

Answer 1

Answer:

D

Explanation:

When leaving Group is Different.

Nucelophilic Substitution Rx is Inversely proptional to Basic Strength

• Means weak base is better leaving Group
• As you Know Basic Strength is inversely proportional to Size . Element has larger size. weak basic strength . Better living Group.
• R-F<R-Cl<R-Br<R-I.
• Read NCERT class 12 Chemistry. Part 2. for more details.
• Thanks