Question

Dinitrogen trioxide($N_2{O}_3$) is a _________ while nitrogen dioxide($N{O}_2$) is a _________.

• A. brown gas, blue solid
• B. colourless solid, brown gas
• C. colourless solid, colourless gas
• D. blue solid, brown gas

Answer 1

The correct option is D blue solid, brown gas

Dinitrogen trioxide ($N_2{O}_3$) is a solid in blue color. The oxidation number of nitrogen in the compound is +3 while nitrogen dioxide ($N{O}_2$) is gas in brown color. The oxidation number of nitrogen in the compound is +4.

Hence option D is correct.