no2colour

Nitrogen dioxide is a reddish-brown gas with a pungent, acrid odor above 21.2 °C (70.2 °F; 294.3 K) and becomes a yellowish-brown liquid below 21.2 °C (70.2 °F; ...

2023年7月12日 — The correct answer is Brown. Key Points. The fumes of NO2 are brown in colour. Nitrogen dioxide or NO2 is a deep red-orange gas.

... NO2 is comprised of one atom of nitrogen and two atoms of oxygen, and is a gas at ambient temperatures. It has a pungent smell, and is brownish red in color.

由 DJ Jarvis 著作 · 2010 · 被引用 85 次 — In that form, nitrogen dioxide is volatile, reddish-brown in colour and heavier than air, and has a characteristic pungent odour perceptible from a ...

2017年3月3日 — Yes, that's correct! Nitrogen dioxide (NO2) is a reddish-brown gas, while dinitrogen tetroxide (N2O4) is a colorless gas.

2017年10月17日 — NO2 has a unpaired electron which is responsible for its brown colour and paramagnetic behaviour, while in N2O4 the unpaired electron is absent ...

2018年2月5日 — NO2 has a unpaired electron which is responsible for its brown colour and paramagnetic behaviour, while in N2O4 the unpaired electron is absent ...

2018年6月24日 — It's brown colour gas. Acidic in nature.

2020年1月9日 — Nitrogen dioxide is brown in colour, hence option D is correct.