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Assertion : H(3)PO(3) is a diabasic acid...

Assertion : `H_(3)PO_(3)` is a diabasic acid.
Reason: There are two H atoms directly attached to P.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Orthophosphorous acid `(`H_3 PO_3)` is a dibasic acid and has the structure, only two H–atoms attached to O are ionisable.
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