Dinitrogen is a robust compound, but reacts at high altitude to...

Dinitrogen is a robust compound, but reacts at high altitude to form oxides. The oxide of nitrogen that can damage plant leaves and retard photosynthesis is :

Options

ANO
B $\mathrm{NO}_3{ }^{-}$
C $\mathrm{NO}_2$
D $\mathrm{NO}_2{ }^{-}$

Correct answer

C. $\mathrm{NO}_2$

Step-by-step solution

\mathrm{N}_2(\mathrm{ g})+\mathrm{O}_2(\mathrm{ g}) \rightarrow 2 \mathrm{NO}(\mathrm{g})2 \mathrm{NO}(\mathrm{g})+\mathrm{O}_2(\mathrm{ g}) \rightarrow 2 \mathrm{NO}_2(\mathrm{ g})

Higher concentration of

\mathrm{NO}_2

damage the leaves and retard the rate of photosynthesis.

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