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The pH of z solution at 25^(0)C is 2. If...

The pH of z solution at `25^(0)C` is `2`. If its pH is to be changed to 4, conc. of `H^(+)` of the original has to be

A

Doubled

B

Halved

C

Increased by 100 times

D

Decreased by 100 times.

Text Solution

Verified by Experts

The correct Answer is:
D
`pH=2,:.[H^(+)]=10^(-2)pH=4,:.[H^(+)]=10^(-4)` Decreased by 100 times
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