Thank you for reporting, we will resolve it shortly
Q.
Amine that cannot be prepared by Gabriel phthalimide synthesis is
Amines
Solution:
Aniline cannot be prepared by this method because aryl halides do not undergo nucleophilic substitution with potassium phthalimide under ordinary conditions to give $N$-phenyl phthalimide (i.e., cleavage of $C-X$ bond in haloarenes is quite difficult).