(A) Nitrogen cannot be estimated in nitrobenzene by Kjeldahl's method. (R) Nitrobenzene evolves ammonia gas on acid treatment.

(A) Nitrogen cannot be estimated in nitrobenzene by Kjeldahl's method.

1.	(A) Nitrogen cannot be estimated in nitrobenzene by Kjeldahl's method. (R) Nitrobenzene evolves ammonia gas on acid treatment.
Answer» If both ASSERTION and REASON are CORRECT and reason is the correct explanation of the assertion If both assertion and reason are correct but reason is not the correct explanation of the assertion If assertion is correct but reason is incorrect If assertion is incorrect but reason is correct ANSWER :C