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Question

Assertion :ΔH and ΔE are the same for the reaction, N2(g)+O2(g)2NO(g) Reason: All reactants and products are gases where all gases are ideal.


Read the above assertion and reason and choose the correct option regarding it.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
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
ΔH=ΔE+ΔnRT

But for the given reaction, Δn=0

Hence, ΔH=ΔE.

Hence, the assertion is correct.

Also, All reactants and products are gases where all gases are ideal.

Hence, the reason is correct but Reason is not the correct explanation for Assertion.

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