MHT CET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Which among the following oxides of nitrogen is brown coloured gas?
- A \(\mathrm{N}_{2} \mathrm{O}_{5}\)
- B \(\mathrm{N}_{2} \mathrm{O}_{3}\)
- C \(\mathrm{NO}_{2}\)
- D \(\mathrm{N}_{2} \mathrm{O}_{4}\)
Answer & Solution
Correct Answer
(C) \(\mathrm{NO}_{2}\)
Step-by-step Solution
Detailed explanation
Nitrogen dioxide is a dark reddish brown gas and dinitrogen tetroxide is a colorless gas. When the equilibrium is shifted to the left, as written, the amount of nitrogen dioxide increases, the amount of dinitrogen tetroxide decreases and the color of the tube darkens.
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