Equilibrium Question 431
Question: The $ pH $ of solution having $ [O{H^{-}}]={10^{-7}} $ is [AIIMS 1996]
Options:
A) 7
B) 14
C) Zero
D) $ -7 $
Show Answer
Answer:
Correct Answer: A
Solution:
$ pH+pOH=14 $ ; $ pH=14-pOH $
$ \because ,[O{H^{-}}]={10^{-7}} $
$ pOH=7 $
$ \therefore ,pH=14-7=7 $ .