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Question

Assertion- C(graphite)+O2(g)CO2(g),

ΔH=393.5k.J

C(diamond)+O2(g)CO2(g),

ΔH=395.4k.J

Reason(R): graphite is more stable than diamond, so heat of combustion is less.



A
A and R are true and R is correct explanation of A.
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B
A and R are true and R is not correct explanation of A
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C
A is true, R is false
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D
A is false, R is true
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