Equilibrium Question 499

Question: $ pH $ value of $ N/10NaOH $ solution is [CBSE PMT 1996;Pb. CET 2001; Pb. PMT 2002]

Options:

A) 10

B) 11

C) 12

D) 13

Show Answer

Answer:

Correct Answer: D

Solution:

In $ \frac{N}{10} $ NaOH have $ [O{H^{-}}]={10^{-1}} $ M means $ pOH=1 $ and then $ pH+pOH=14 $

$ pH=14-pOH=13 $ .



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