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Why phosphorous acid has more acid strength than phosphoric acid?

April 26, 2017acid Chemistry India Mathematics phosphoric phosphorous strength

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Why phosphorous acid has more acid strength than phosphoric acid?

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in phosphorous acid there are two hydroxal groups as they withdraw electrons from phosphorous molecule , but in phosphoric acid their are three hydroxal groups as oxygen are more and they withdraw more so P becomes weak ….this explains why phosphorus acid has higher strength.