Question

why H3 PO3 is a dibasic acid ?​

Answer 1

Answer:

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Here's your answer

The P-H bond in H3PO3 is not ionisable and do not play any role in its basicity. Only those atoms which are attached to O in P-OH form are ionisable and are responsible for the basicity. Thus H3PO3 is dibasic as it has two P-OH bond.

Explanation:

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Answer 2

Answer:

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Explanation:

The P-H bond in H3PO3 is not ionisable and do not play any role in its basicity. Only those atoms which are attached to O in P-OH form are ionisable and are responsible for the basicity. Thus H3PO3 is dibasic as it has two P-OH bond.

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