The reaction
`HCN +H_(2)O hArr H_(3)O^(+)+CN^(-),` the conjugate acid base pair is
A. `HCN,H_(3)O^(+)`
B. `H_(2)O,CN^(-)`
C. `CN^(-),H_(3)O^(+)`
D. `HCN,CN^(-)`

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1 Answers

Correct Answer - D
A conjugate acid base pair is related by a proton transfer.

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