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Nitric Acid

On photochemi...

Question

On photochemical decomposition of $H N O_{3}$ the products formed are :

N O

and

O_{2}

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N O_{2}

and

O_{2}

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N_{2} O_{4}

and

N O_{2}

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N_{2} O_{5}

and

N O_{2}

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Solution

The correct option is B $N O_{2}$ and $O_{2}$
Nitric acid usually acquires yellow colour due to its decomposition by sunlight into $N O_{2}$
$4 H N O_{3} s u n l i g h t \to 4 N O_{2} + 2 H_{2} O + O_{2}$

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