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Choose the correct increasing order of acidic strength

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$NO < {CO}_{2} < {NO}_{2} < N_{2} O_{5}$

$N_{2} O_{5} > {NO}_{2} > {CO}_{2} > NO$

${CO}_{2} < NO < {NO}_{2} < N_{2} O_{5}$

$N_{2} O_{5} > {NO}_{2} > NO > {CO}_{2}$

answer is A.

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Detailed Solution

Acidic strength of oxide $α$ oxidation state

If the oxidation state is same then it is inversely proportional the size of the central atom which generally increases down the group and decreases across a period.

$\underset{highly acidic}{\overset{+ 5}{N_{2}} O_{5}} > \overset{+ 4}{N} O_{2} > {CO}_{2} > \underset{neutral}{NO}$

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