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Redox Reactions

"Nitric oxide...

Question

"Nitric oxide reacts with oxygen to form reddish brown nitrogen dioxide gas". Choose the correct equation for the above reaction

2 N O + O_{2} \to 2 N O_{2}

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N_{2} O + O_{2} \to N O_{2} + N O

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N a N O_{3} h e a t - - \to 2 N a N O_{2} + O_{2}

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2 N O_{3} + O_{2} \to 2 N O_{2} + 2 O_{2}

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Solution

The correct option is A $2 N O + O_{2} \to 2 N O_{2}$
$N O$ : Nitric oxide
$N O_{2}$ : Nitrogen dioxide gas; It has a reddish brown colour.
Therefore, equation is $2 N O + O_{2} ⟶ 2 N O_{2}$ .

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