MCQ
The set of meta directing functional groups from the following sets is:
- A–CN, –NH2, –NHR, –OCH3
- B–NO2, –NH2, –COOH, –COOR
- ✓–NO2, –CHO, –SO3H, –COR
- D–CN, –CHO, –NHCOCH3, –COOR

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Assertion $(A):$ Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines.
Reason $(R) :$ Aryl halides do not undergo nucleophilic substitution reaction.
In the light of the above statements, choose the correct answer form the options given below.

