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An aquoeous solution twice alkaline as w...

An aquoeous solution twice alkaline as water, The pH of the solution is near to

A

`7.3`

B

`12`

C

10

D

13

Text Solution

Verified by Experts

The correct Answer is:
A
`[OH^(-)] = 2 ' 10^(-7)`
`pOH = 7 - "log" 2`
`= 7 - 0.3010`
`= 6.7`
`pH = 14 - 6.7`
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