Assertion (A): A one molar solution of phosphorous acid is equivalent to its 2 N solution.
Reason (R): Phosphorous acid is dibasic acid.
(A) If both Assertion and reason are true and Reason is a correct explanation of Assertion.
(B) If both assertion and Reason are true but Reason is not a correct explanation of Assertion.
(C) If Assertion is true but Reason is false.
(D) If Assertion is false but reason is true.