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Standard X

Chemistry

Mole Concept

Assertion :1 ...

Question

Assertion :1 g atom of $O_{2}$ and 1 g atom of $O_{3}$ have equal number of molecules. Reason: Mass of 1 mol atom is equal to its gram atomic mass.

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
1 g atom $= 1$ mol of any compound $= N_{A}$ molecules.
Both (A) and (R) are correct but (R) is not the correct explanation of (A).

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Assertion :1 g atom of O2 and 1 g atom of O3 have equal number of molecules. Reason: Mass of 1 mol atom is equal to its gram atomic mass.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion1 g atom =1 mol of any compound =NA molecules. Both (A) and (R) are correct but (R) is not the correct explanation of (A).

Assertion :1 g atom of $O_{2}$ and 1 g atom of $O_{3}$ have equal number of molecules. Reason: Mass of 1 mol atom is equal to its gram atomic mass.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
1 g atom $= 1$ mol of any compound $= N_{A}$ molecules.
Both (A) and (R) are correct but (R) is not the correct explanation of (A).