Assertion :If a solution with $p H = 2$ is diluted to double the volume, the $p H$ of the solution will fall to 1. Reason: $p H$ is inversely proportional to the volume of the solution.
Read the above assertion and reason and choose the correct option regarding it.

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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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
$p H$ $= - l o g [H^{+}]$
By diluting to the double volume we will decrease conc of hydrogen ion to half.
So pH will become $p H = - l o g \frac{[H^{+}]}{2} = 2 + 0.3 = 2.3$

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