KCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
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
- A \(\mathrm{N}_{2} \mathrm{O}, \mathrm{NO}, \mathrm{NO}_{2}, \mathrm{~N}_{2} \mathrm{O}_{5}\)
- B \(\mathrm{N}_{2} \mathrm{O}, \mathrm{NO}_{2}, \mathrm{~N}_{2} \mathrm{O}_{4}, \mathrm{~N}_{2} \mathrm{O}_{3}\)
- C \(\mathrm{NO}_{2}, \mathrm{NO}_{2}, \mathrm{~N}_{2} \mathrm{O}_{4}, \mathrm{~N}_{2} \mathrm{O}_{3}\)
- D \(\mathrm{NO}, \mathrm{NO}, \mathrm{N}_{2} \mathrm{O}_{4}, \mathrm{~N}_{2} \mathrm{O}_{5}\)
Answer & Solution
Correct Answer
(C) \(\mathrm{NO}_{2}, \mathrm{NO}_{2}, \mathrm{~N}_{2} \mathrm{O}_{4}, \mathrm{~N}_{2} \mathrm{O}_{3}\)
Step-by-step Solution
Detailed explanation
The complete given chemical reaction take place as follows
Note: Nitric oxide is paramagnetic as it contain unpaired electron as per molecular orbital theory.
Note: Nitric oxide is paramagnetic as it contain unpaired electron as per molecular orbital theory.
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