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Q.

At certain temperature H ion concentration of pure water is 5×107. The ionic product of water at this temperature is ………. moles2lit2

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a

1×1014

b

5×1014

c

2.5×1010

d

2.5×1013

answer is B.

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Detailed Solution

In pure water  [H+]=[OH]=5×107

  Kw  of this temperature =[H+][OH]=[5×107]2

=25×1014=2.5×1013  moles2lit2

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At certain temperature H⊕ ion concentration of pure water is 5×10−7. The ionic product of water at this temperature is ………. moles2lit−2