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Question
Complete the following statement by selecting the correct alternative from the choices given:
The conjugate acid of `"HPO"_4^(2-)` is :
Options
H3PO3
H3PO4
`"H"_2"PO"_4^-`
`"PO"_4^(3-)`
Solution
`"H"_2"PO"_4^-`
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