Equilibrium - Result Question 34

####36. The $pH$ of $0.01 M NaOH$ (aq) solution will be [NEET Odisha 2019]

(a) 9

(b) 7.01

(c) 2

(d) 12

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Solution:

  1. (d) $[OH^{-}]=0.01 M=10^{-2} M$

$ \begin{aligned} & \text{ pOH }=-\log [OH^{-}]=-\log (10^{-2})=2 \\ & \text{ pH }=14-\text{ pOH }=12 \end{aligned} $



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