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Oxides of Nitrogen

Which of the ...

Question

Which of the following is not true regarding oxides of nitrogen?

A

At high altitudes, when lightning strikes,

N_{2}

combines with

O_{2}

to form

N O_{X}

.

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B

In an automobile engine, (at higher temperature) when fossil fuel is burnt, dinitrogen and oxygen combine to form NO and

N O_{2}

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C

Higher concentrations of

N O_{2}

is good for the leaves of plants and the rate of photosynthesis.

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D

All of the above

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Solution

The correct option is C Higher concentrations of $N O_{2}$ is good for the leaves of plants and the rate of photosynthesis.
Option (a) and (b) are correct but option (c) is not true because higher concentrations of $N O_{2}$ damage the leaves of plants and retard the rate of photosynthesis.

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Oxides of Nitrogen

Standard XII Chemistry

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