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The conjugate base of `OH^(-)` is
A. `O^(2-)`
B. `O^(-)`
C. `H_(2)O`
D. `O_(2)`

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Best answer
Correct Answer - A
Conjugate base `hArr` Conjugate acid `-H^(+)`
`:.` Conjugate base of `OH^(-)=OH^(-)-H^(+)=O^(2-)`

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