Assertion : $5 M H C l$ solution is diluted $10$ times, its molarity becomes $50$ . Reason: On dilution, molarity of the solution decreases.

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 D Assertion is incorrect but Reason is correct

$5 M H C l$ solution is diluted $10$ times, its molarity will not become $50$ .Because On dilution, molarity of the solution decreases.Becuase molarity is inversely proportional to volume

So on dilution, molarity of the solution decreases.

Assertion is incorrect but Reason is correct
Hence option D is correct.

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