Predict the products formed when each of the following isotopically substituted derivatives of chlorobenzene is treated with

Question:

Predict the products formed when each of the following isotopically substituted derivatives of chlorobenzene is treated with sodium amide in liquid ammonia. Estimate as quantitatively as possible the composition of the product mixture. The asterisk (*) in part (a) designates 14C, and D in part (b) is 2H.
(a)