Which of the following oxide of nitrogen is coloured?
Which of the following oxide of nitrogen is coloured?
$\mathrm{N}_{2} \mathrm{O}$
$\mathrm{NO}$
$\mathrm{NO}_{2}$
$\mathrm{~N}_{2} \mathrm{O}_{4}$
Solution
The nitrogen gas at higher temperature is a reddish brown gas. The nitrogen dioxide is paramagnetic in nature. Thus, the oxides of nitrogen is a coloured gas is nitrogen dioxide.