Given below are two statements, one is labelled as Assertion (A) and other is labelled as Reason (R).

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 from the options given below :

For the following graphs,


Choose from the options given below, the correct one regarding order of reaction is :

Which one of the products of the following reactions does not react with Hinsberg reagent to form sulphonamide?

The ionic radii of K⁺, Na⁺, Al³⁺ and Mg²⁺ are in the order: