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Assertion: Effusion rate of oxygen is sm...

Assertion: Effusion rate of oxygen is smaller than nitrogen.
Reason: Molecular size of nitrogen is smaller than oxygen.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Assertion : Effusion rate of oxygen is smaller than nitrogen because molecular wt. of oxygen is higher than nitrogen `r prop 1//sqrtM`
Reason : The atomic size of N atom is bigger than that of O atom so size of `N_2` is bigger than `O_2` .
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