Equilibrium Question 446

Question: The $ pH $ value of $ 0.1MNaOH $ solution is (when there is a given reaction $ [{H^{+}}],[O{H^{-}}]={10^{-15}} $ ) [CPMT 1997]

Options:

A) 13

B) 12

C) 11

D) 2

Show Answer

Answer:

Correct Answer: A

Solution:

$ [O{H^{-}}]={10^{-1}}M $ ; $ pOH=1 $

$ pH+pOH=14 $ ; $ pH=14-1=13 $ .



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