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1 litre of 1M CH(3)COOH (very weak acid)...

1 litre of `1M CH_(3)COOH` (very weak acid) taken in a container initially. Now this solution is diluted upto volumen V (litre) so that pH of the resulting solution becomes twice the original value. `(K_(a) (CH_(3)COOH) = 10^(-6))`. Now equal volume of `0.5 xx 10^(-6)M NaOH` solution is added to this resulting solution, so that a buffer solution is obtained.
Find pH of final solution (log `3 = 0.477`).

A

`6`

B

`6.477`

C

`5.523`

D

`3`

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The correct Answer is:
c
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