Some reactions of NO_2 relevant to photochemi | vedclass

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Question

(A) The photochemical reactions involved in the formation of smog are:$1$. $NO_{2(g)} \xrightarrow{hv} NO_{(g)} + [O]$Here,$X = [O]$ (atomic oxygen).$

Vedclass · Accepted Answer

$X = [O], Y = O_3, A = O_2, B = O_3$

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(A) The photochemical reactions involved in the formation of smog are:$1$. $NO_{2(g)} \xrightarrow{hv} NO_{(g)} + [O]$Here,$X = [O]$ (atomic oxygen).$2$. $[O] + O_2 \rightarrow O_3$Here,$Y = O_3$ (ozone).$3$. $NO + O_3 \rightarrow NO_2 + O_2$Here,$A = O_2$.$4$. $[O] + O_2 + M \rightarrow O_3 + M$Here,$B = O_3$.Comparing these with the given options,the correct identification is $X = [O], Y = O_3, A = O_2, B = O_3$.

Some reactions of $NO_2$ relevant to photochemical smog formation are:
$NO_{2(g)} \xrightarrow{hv} NO_{(g)} + X$
$X + O_2 \rightarrow Y$
$NO + Y \rightarrow NO_2 + A$
$O + O_2 + M \rightarrow B + M$
Identify $A, B, X$ and $Y$.

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Some reactions of $NO_2$ relevant to photochemical smog formation are:$NO_{2(g)} \xrightarrow{hv} NO_{(g)} + X$$X + O_2 \rightarrow Y$$NO + Y \rightarrow NO_2 + A$$O + O_2 + M \rightarrow B + M$Identify $A, B, X$ and $Y$.