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Oxides of Nitrogen

An oxide of n...

Question

An oxide of nitrogen which forms reddish brown fumes in air is:

A

N_{2} O

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B

NO

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C

N O_{2}

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D

N_{2} O_{3}

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Solution

The correct option is A NO
$N O_{2}$ produced in the following reaction is reddish brown in color.
$N O + \frac{1}{2} O_{2} \to N O_{2}$
reddish
brown fumes

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