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Highest pH (14) is shown by...

Highest pH (14) is shown by

A

0.1 M `H_(2)SO_(4)`

B

0.1 M NaOH

C

1 N NaOH

D

1 N HCl

Text Solution

Verified by Experts

The correct Answer is:
C
`[OH^(-)]=[NaOH ]=1M`
`[1M NaOH=1N NaOH]`
`[H^(+)]=(K_(w))/([OH^(-)])=(10^(-14))/(1)=10^(-14)M`
`pH=-log[H^(+)]=-log 10^(-14)=14`
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