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Question

Even though air contains 78% nitrogen, 20% oxygen by volume and formation of NO is thermodynamically feasible, they do not combine to form NO. This is because

A

Both O2 and N2 are diatomic gases

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B

The partial pressure of oxygen in the atmosphere is very low

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C

The formation of NO requires high temperature

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D

At atmospheric pressure NO formed spontaneously decompose to the elements

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Solution

The correct option is C

The formation of NO requires high temperature


N2combines with O2 only at high temperature, this happens naturally during lightening

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