question_answer 94)

  Note : In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices. (a) Both assertion and reason are wrong. (b) Both assertion and reason are correct statements but reason is not correct explanation of assertion. (c) Assertion is correct statement but reason is wrong statement. (d) Both assertion and reason are correct statements and reason is correct explanation of assertion. (e) Assertion is wrong statement but reason is correct statement.   Assertion: N, N-Diethylbenzenesulphonamide is insoluble in alkali. Reason: Sulphonyl group attached to nitrogen atom is a strong electron withdrawing group. (a) Both assertion and reason are wrong. (b) Both assertion and reason are correct statements but reason is not correct explanation of assertion. (c) Assertion is correct statement but reason is wrong statement. (d) Both assertion and reason are correct statements and reason is correct explanation of assertion. (e) Assertion is wrong statement but reason is correct statement.

Answer:

                  (b) Correct explanation. Since acidic hydrogen is not present on the N-atom, therefore, N, N- diethylbenzenesulphonamide is insoluble in alkali.