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  3. Chemistry
  4. Formation of photochemical smog involves the following reaction in which A , B and C are respectively. i. NO 2 xrightarrow hν A + B ii. B + O 2 arrow C iii. A + C arrow NO 2+ O 2 Choose the correct answer from the options given below:

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Q. Formation of photochemical smog involves the following reaction in which $A , B$ and $C$ are respectively.
i. $NO _2 \xrightarrow{ h\nu } A + B$
ii. $B + O _2 \rightarrow C$
iii. $A + C \rightarrow NO _2+ O _2$
Choose the correct answer from the options given below:

JEE MainJEE Main 2023Environmental Chemistry

Solution:

$NO _{2 g } \stackrel{ hv }{\longrightarrow} \underset{(A)}{NO _{ g }}+\underset{(B)}{ O _{ g }}$
$\underset{(B)}{O _{ g }}+ O _{2 g } \rightleftharpoons \underset{(C)}{O _{3 g }}$
$\underset{(A)}{ NO _{ g }}+\underset{\text { (C) }}{ O _{3 g }} \longrightarrow NO _{2 g }+ O _{2 g }$