Reason: Dimerisation of benzoic acid.
Assertion: Molecular mass of benzoic acid when determined by colligative properties is found high.
A. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B. Both Assertion and Reason are incorrect
C. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
D. Assertion is correct but Reason is incorrect
