Equilibrium Question 363
Question: The $ pH $ of a $ 0.001,M,NaOH $ will be [MP PMT 1995; UPSEAT 2001]
Options:
A) 3
B) 2
C) 11
D) 12
Show Answer
Answer:
Correct Answer: C
Solution:
0.001 M of $ NaOH $ means $ [O{H^{-}}]=.001 $
$ ={10^{-3}}M\Rightarrow pOH=3 $
$ pH+pOH=14\Rightarrow pH=14-3=11 $