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Question

At 363K, pure water has [H3O+]=106M. The value of Kw at this temperature will be


A

106

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B

1012

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C

1013

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D

1014

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Solution

The correct option is B

1012


Since water is pure, [H3O+]=[OH]=106M

From, Kw=[H3O+][OH]

= 106×106=1012M


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