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Which of the following has the same basicity as Phosphorous acid?

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H N O_{3}

H_{2} S O_{4}

H_{3} P O_{4}

H C l

answer is B.

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Detailed Solution

Phosphorous acid is dibasic.

The basicity of Sulphuric acid(H₂SO₄) is the same as the basicity of Phosphorous acid(H₃PO₃),which is 2.

Basicity of nitric acid or HNO₃ is 1.

Basicity of Phosphoric acid(H₃PO₄) is 3.

Basicity of HCl is one as it releases one hydronium ion in aqueous solution.

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