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If pH of a solution decreases from 5 to ...

If pH of a solution decreases from 5 to 2, then it is

A

diluted 1000 times

B

concentrated 1000 times

C

diluted 100 times

D

concentrated 100 times

Text Solution

Verified by Experts

The correct Answer is:
B
When `pH =5,[H^(+)]=10^(-5)`
when `pH=2, [H^(+)]=10^(-2)`
when the pH decreases from 5 to 2 the solution is concentrated `10^(3)(10^(-5)xx 10^(3) =10^(-2)0` times i.e., 1000 times
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