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Question

Assertion: Volume of gas at 500C is V. Keeping the pressure constant, the temperature is doubled. Volume becomes 2V.

Reason: At constant pressure, the volume of gas is directly proportional its to absolute temperature.


A
Both assertion (A) and reason (R) are correct and R gives the correct explanation
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B
Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation
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C
A is true but R is false
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D
A is false but R is true
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Solution

The correct option is A Both assertion (A) and reason (R) are correct and R gives the correct explanation
Since PV=nRT
therefore, at constant P
V=nRT/P
therefore if we double T then V will also gets doubled
both assertion and reason are correct and reason is true explanation of assertion
option(A)

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