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 becauseA- Both O 2 and N 2 are diatomic gasesB- At atmospheric pressure NO formed spontaneously decompose to the elementsC- The formation of NO requires high temperatureD- The partial pressure of oxygen in the atmosphere is very low

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Standard IX

Chemistry

Oxides of Phosphorus

Even though a...

Question

Even though air contains $78 %$ nitrogen, $20 %$ oxygen by volume and formation of $N O$ is thermodynamically feasible, they do not combine to form $N O$ . This is because

Both O₂and N₂ are diatomic gases

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The partial pressure of oxygen in the atmosphere is very low

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The formation of NO requires high temperature

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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

$N_{2}$ combines with $O_{2}$ only at high temperature, this happens naturally during lightening

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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

The correct option is C The formation of NO requires high temperature N2combines with O2 only at high temperature, this happens naturally during lightening

Even though air contains $78 %$ nitrogen, $20 %$ oxygen by volume and formation of $N O$ is thermodynamically feasible, they do not combine to form $N O$ . This is because

The correct option is C
The formation of NO requires high temperature

$N_{2}$ combines with $O_{2}$ only at high temperature, this happens naturally during lightening