In the following substitution reaction:
product \({ }^{\prime} \mathrm{P}^{\prime}\) formed is :

• A

  
  
• B

  
  
• C

  
  
• Correct answer
  D

  
  

Solution

Br at the para of $\mathrm{NO}_2$ will undergo aromatic nucleophilic substitution by nucleophile $\mathrm{C}_2 \mathrm{H}_5 \mathrm{ONa}$.

Hence, the correct answer is option: 'D'.