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MediumQ. No. the-basicity-of-h3po3-phosphorous-acid-is

The basicity of H3PO3 (phosphorous acid) is

Last Updated: 26 Jun 2026

Correct Answer: 2Your Answer: B

Explanation

H3PO3 has 2 P-OH groups and 1 P-H bond. Only P-OH groups dissociate so basicity is 2 (dibasic acid).

Important Notes

Basicity = number of replaceable OH groups in an acid

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The basicity of H3PO3 (phosphorous acid) is

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