Assertion (A) : o-nitrophenol is a weaker acid than p-nitrophenol.
Reason (R ) : Intramolecular hydrogen bonding makes ortho isomer weaker than para isomer.

A. Both Assertion (A) and Reason (R ) are correct statements, and Reason (R ) is the correct explanation of the Assertion (A).
B. Both Assertion (A) and Reason (R ) are correct statements, but Reason (R ) is not the correct explanation of the Assertion (A).
C. Assertion (A) is correct, but Reason (R ) is incorrect statement.
D. Assertion (A) is incorrect, but Reason (R ) is correct statement