Assertion :The dimensions of $K_{w}$ are $m o l^{2} L^{- 2}$ . Reason: $K_{w}$ is a product of two concentration terms.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$K W = [H^{+}] [O H^{-}]$
$[k w] =^{M o l} /_{l} \times^{m o l} /_{l}$
$= M o l^{2} L^{- 2}$

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