The smog is essentially caused by the presence of

$O_{2} a n d O_{3}$

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$O_{3} a n d N_{2}$

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Oxides of sulphur and nitrogen

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$O_{2} a n d N_{2}$

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Solution

The correct option is C
Oxides of sulphur and nitrogen

Smog is Smoke + Fog. Smog contains mainly $S O_{2}$ and $N O_{2}$

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Similar questions

N_{2} O_{3}, N_{2} O_{4}

N_{2} O_{5}

N_{2} O_{5} \to 2 N O_{2} + \frac{1}{2} O_{2},

\frac{- d}{d t} [N_{2} O_{5}] = k_{1} [N_{2} O_{5}], \frac{d}{d t} [N O_{2}] = k_{2} [N_{2} O_{5}] a n d

\frac{d}{d t} [O_{2}] = k_{3} [N_{2} O_{3}],

2 N_{2} O_{3} \to 4N O_{2} + O_{2}

The correct order of the O - O bond length in $O_{2}$ , $H_{2} O_{2}$ and $O_{3}$ is

O - O

O_{2}, H_{2} O_{2}

O_{3}

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