0
Why is nitrogen oxide colourless while nitrogen dioxide is brown in colour?
Wiki User
∙ 13y ago
It all depends on the frequencies of light the compounds reflect and absorb. The color you see is reflected light at a certain frequency(corresponding to a combination of certain colors in the electromagnetic spectrum), while the rest is absorbed.
For example, the Nitrogen Oxide molecule absorb light at a frequency out of the visible range, and reflect all colors we can see. That is why we see that Nitrogen gas is a white gas(if the gas if concentrated enough). As for nitrogen dioxide, the molecules absorb a certain color. All the other colors are reflected as a brown color.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Why bottles contain nitric acid are always yellow?
pure nitric acid is colourless and unstable and decomposes slightly even at ordinary temperatures and in the presence of sunlight. The decomposition results in formation of reddish brown nitrogen dioxide which remains dissolved in the acid thus imparting a slight yellowish brown colour.
Are nitrogen dioxide and carbon dioxide the same?
NO!!! Nitrogen dioxide (NO2) is a Brown Gas. Carbon dioxide (CO2) is a colourless gas. Each gas differs by one atom viz. nitrogen and / or carbon. However, they are both acidic gases. When dissolved in water they form nitric acid (HNO3) and carbonic acid (H2CO3).
Why can you see the movement of nitrogen dioxide gas in a container but not carbon dioxide?
Carbon dioxide is a colorless gas while nitrogen dioxide is a gas with a reddish-brown color.
Colours of the oxides of nitrogen?
It depends on the oxide. Nitrogen oxide and dinitrogen tetroxide are colorless gases, Nitrogen dioxide is brown gas, etc.
What gas is brown and poison?
Bromine(Br2) vapors and Nitrogen Dioxide(NO2)
What is the colour of fumes of nitrogen oxide gas?
Nitrogen is a colorless, odorless, and tasteless nontoxic gas.
What pollutant is a brown gas?
Nitrogen Dioxide Nitrogen Dioxide
Why bottles contain nitric acid are always yellow?
pure nitric acid is colourless and unstable and decomposes slightly even at ordinary temperatures and in the presence of sunlight. The decomposition results in formation of reddish brown nitrogen dioxide which remains dissolved in the acid thus imparting a slight yellowish brown colour.
Are nitrogen dioxide and carbon dioxide the same?
NO!!! Nitrogen dioxide (NO2) is a Brown Gas. Carbon dioxide (CO2) is a colourless gas. Each gas differs by one atom viz. nitrogen and / or carbon. However, they are both acidic gases. When dissolved in water they form nitric acid (HNO3) and carbonic acid (H2CO3).
What pollutants is a brown gas nitrogen dioxide sulfur dioxide carbon dioxide nitric dioxide?
Nitrogen Dioxide
What is the physical state of nitrogen dioxide?
formula for nitrogen dioxide gas and designate physical
What is the colour of lead 2 nitrate when heated?
Lead nitrate is a white, crystalline solid. When heated, it starts decomposing with a crackling sound, producing a reddish brown gas called nitrogen dioxide, and a colourless gas, oxygen. A yellow residue of lead monoxide is left behind in the test tube.
What happens when bromine water is added to oil?
it changes colour form orangy-brown to colourless
Is Nitrogen Dioxide a brown gas?
Yes it is, its not sulfur dioxide or carbon dioxide or nitric Oxide.
Is NO2 colorless?
Nitrogen dioxide is orange to brown.
Why can you see the movement of nitrogen dioxide gas in a container but not carbon dioxide?
Carbon dioxide is a colorless gas while nitrogen dioxide is a gas with a reddish-brown color.
Is it possible to change the brown diamond to colorless or white diamond?
Diamonds are irradiated to change or enhance their colour. Usually enhancing a stone means highlighting its colour -- pink, blue and so forth -- not removing colour, which is what you want to do. A diamond's colour is caused by the inclusion of a trace mineral. Brown diamonds are brown because the traces of nitrogen are in large even-numbered aggregates. Enhancing this diamond may cause it to become a fancier brown or yellow stone, not colourless or white.
