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Photochemical Smog

Which of the ...

Question

Which of the following reaction results in photochemical smog?

$N O_{2} (g) h v - \to N O (g) + O$

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$N O (g) + O_{3} \to N O_{2} (g) + O_{2} (g)$

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$C l (g) + O_{3} (g) \to C l O (g) + O_{2} (g)$

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Both (a) and (b)

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Solution

The correct option is D
Both (a) and (b)

$N O_{2} (g)$ which is formed from $N O$ , decomposes by absorbing sunlight to $N O$ and free oxygen atom.

$N O_{2} (g) h v - \to N O (g) + O$

$O + O_{2} ⇌ O_{3}$

$O_{3} + N O (g) \to N O_{2} (g) + O_{2} (g)$

Suggest Corrections

Similar questions

N O (g) + O_{3} (g) \to N O_{2} (g) + O_{2} (g) t r i a n g l e H = - 198.9 k J / m o l

O_{3} (g) \to 3 / 2 O_{2} (g) △ H = - 142.3 k J / m o l

O_{2} (g) \to 2 O (g) △ H = + 495.0 k J / m o l

(△ H)

N O (g) + O (g) \to N O_{2} (g)

K_{C} = 6.3 \times 10^{14}

000 K

N O (g) + O_{3} (g) ⇌ N O_{2} (g) + O_{2} (g)

K_{C}

O_{3}

O_{3} (g) + C l (g) ⟶ O_{2} (g) + C l O (g);

k_{1} = 5.2 \times 10^{9} L {m o l}^{- 1} {s e c}^{- 1}

C l O (g) + O (g) ⟶ C l (g) + O_{2} (g);

k_{2} = 2.6 \times 10^{10} L {m o l}^{- 1} {s e c}^{- 1}

O_{3} (g) + O (g) ⟶ 2 O_{2} (g)

C l_{(g)} + O_{3 (g)} \to C l O_{(g)} + O_{2 (g)}

C l O_{(g)} + O_{(g)} \to C l_{(g)} + O_{2 (g)}

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