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A buffer solution contains a weak acid H...

A buffer solution contains a weak acid HA and A . When small quantity of NaOH is added, to keep `p^(H)` as constant. which of the following reaction takes place?

A

`Hararr H^(+)+A^(-) `

B

`H^(+)+A^(-) rarr HA`

C

`HA+OH^(-) rarr H_(2)O+A^(-)`

D

`A^(-)H_(2)Orarr HA+OH^(-)`

Text Solution

Verified by Experts

The correct Answer is:
C
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