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7.11 What is the basicity of H3PO4?

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    Answered by

    alok kumar singh | Contributor-Level 10

    6 months ago

    7.11

    The basicity of a compound is defined as the number of acidic hydrogen atoms present in the compound. For a hydrogen atom to be acidic, it should be bonded to a strongly electronegative element like fluorine or oxygen atom.

    As shown in the figure, 3 hydrogen atoms (green circled) are attached to an oxygen atom, which makes them acidic. Hence, the basicity of H3PO4 is 3.

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