Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Haloalkanes react with KCN to form alkyl cyanides as a main product while with form isocyanide as the main product.
Reason (R) : and both are highly ionic compounds.
In the light of the above statements, choose the most appropriate answer from the options given below :