Q.

Among the following, total number of meta directing functional groups is ________ . (Integer based) 

—OCH3,—NO2,—CN,—CH3,—NHCOCH3,—COR,—OH,—COOH,—Cl             [2024]             


Ans.

(4)

        Among given species, —NO2,—C≡N,—COR and —COOH are -M groups, hence are meta directing groups.