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  4. H3PO2 is the molecular formula of an acid of phosphorous. Its name and basicity respectively are

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Q. $H_3PO_2$ is the molecular formula of an acid of phosphorous. Its name and basicity respectively are

AIPMTAIPMT 1992The p-Block Elements - Part2

Solution:

The name of $H_3PO_2$ is hypophosphorous acid when dissolve in water, it gives only one $H^+$, so its basicity is one.

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