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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

Both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is false

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
C
Reason: Orthophorphorus acid has the structure only two H-atoms attached to O are ionisable and as such its is dibasic.
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