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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

The following is (are) endothermic reactions

I. combustion of methane

II. decomposition of water

III. dehydrogenation of ethane to ethylene

IV. conversion of graphite to diamond

Answer: (D)

Solution

Combustion (I) is exothermic, while decomposition of water, dehydrogenation of ethane and conversion of graphite (more stable) to

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Question ID VK-064764