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  4. A colourless, neutral, paramagnetic oxide of Nitrogen 'P' on oxidation gives reddish brown gas Q. Q on cooling gives colourless gas R. R on reaction with P gives blue solid S. Identify P , Q , R , S, respectively

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Q. A colourless, neutral, paramagnetic oxide of Nitrogen $'P'$ on oxidation gives reddish brown gas $Q$. $Q$ on cooling gives colourless gas $R$. $R$ on reaction with P gives blue solid $S$. Identify $P , Q , R , S$, respectively

KCETKCET 2021The p-Block Elements - Part2

Solution:

$\underset{ P }{ NO } \xrightarrow{[ O ]} \underset{ Q }{ NO _{2}} \xrightarrow{\text { cooling }} \underset{ R }{ N _{2} O _{4}} \xrightarrow{[ H ]} \underset{S}{ N _{2} O _{3}}$