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Classify the following into acid base an...

Classify the following into acid base and amphiprotic species on the basis of protonic concept :
`H_(2)PO_(2)^(-) (ii) H_(2)PO_(3)^(-),(III) H_(2)PO_(4)^(-),(iv) HPO_(3)^(2-),(v)HPO_(4)^(2-)(vi)NH_(4)^(+)`
`(vii)CH_(3)COOH_(2)^(+)`

Text Solution

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Acidic (vi). (vii)
Basic) (iv)
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