Q. The pH of 10 $^{- 3}$ M solution of NaOH is

16532 203 Odisha JEEOdisha JEE 2010Equilibrium Report Error

A

3

8%

B

11

87%

C

4

2%

D

12

3%

Solution:

$[O H^{-}] = 1 0^{- 3} M$
pOH=-log $[O H^{-}] = - l o g (1 0^{- 3}) = 3$
pH=11