MCQ
In the given reaction $[X]$ will be :


- A

- B

- ✓Mixture of $(A)$ and $(B)$
- D





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$(a)$ $PhCOOH$
$(B)$ $o-NO_2C_6H_4COOH$
$(C)$ $p-NO_2C_6H_4COOH$
$(D)$ $m-NO_2C_6H_4COOH$

