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Question

Formation of nitric oxide is a highly exothermic reaction.

A
True
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B
False
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Solution

The correct option is B False
Nitrogen and Oxygen combine to form nitric oxide. This is an endothermic reaction. The energy required to break the strong triple bond in a nitrogen (N2) molecule is higher than the energy released in the formation of nitric oxide (NO). So, this is an endothermic reaction.
N2+O22NO

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