The unit of ionic product of water $K_{w}$ are

M o l^{- 1} L^{- 1}

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M o l^{- 2} L^{- 2}

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M o l^{- 2} L^{- 1}

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M o l^{2} L^{- 2}

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Solution

The correct option is D $M o l^{2} L^{- 2}$
as,
$K_{w} = [H^{+}] [O H^{-}]$

$U n i t s o f K_{w} = (M o l L^{- 1}) (M o l L^{- 1})$

$= M o l^{2} L^{- 2}$

thus, D is the correct answer .

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