Equilibrium Question 370

Question: The pH of water at 25oC is nearly [CPMT 1986, 89, 90, 93; CBSE PMT 1989; MADT Bihar 1995]

Options:

A) 2

B) 7

C) 10

D) 12

Show Answer

Answer:

Correct Answer: B

Solution:

[H+]=[OH]

Kw=[H+][OH]

=1014

,[H+]=107 , pH=log,[H+]=7 .



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