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Q.

At 298K, $P^{H}$ of $10^{- 8} M$ NaOH solution is

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a

8

b

6.96

c

7.04

d

6

answer is A.

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Detailed Solution

$[{OH}^{-}] = 10^{- 8} + 10^{- 7} = 1.1 \times 10^{- 7}$
$P^{OH} = 6.96$
$P^{H} = 7.04$

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At 298K, PH of 10− 8 M NaOH solution is