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Chapter 22: Problem 93

Both \(\mathrm{N}_{2} \mathrm{O}\) and \(\mathrm{O}_{2}\) support combustion. Suggest one physical and one chemical test to distinguish between the two gases.

Short Answer

Expert verified
The physical test involves checking the solubility of each gas in water. Nitrogen monoxide is more soluble than oxygen. The chemical test uses a glowing splint, which re-ignites in the presence of oxygen but simply continues to glow in the presence of nitrogen monoxide.

Step by step solution

01

Physical Test

For the physical test, one way to distinguish between nitrogen monoxide and oxygen is to use their different solubility properties in water. Oxygen gas (\(O_{2}\)) is sparingly soluble in water whereas nitrogen monoxide (\(N_{2}O\)) is relatively more soluble. So, if both gases are bubbled into water separately, the one which forms more bubbles is \(N_{2}O\).
02

Chemical Test

For the chemical test, a glowing splint test could be conducted. The glowing splint test is a common test used to check if a gas supports combustion. If re-lit splint is inserted into a test tube containing \(O_{2}\), the splint will re-ignite, showing that \(O_{2}\) supports combustion actively. This is because \(O_{2}\) is a supporter of combustion due to its active involvement in the burning process. On the other hand, if the glowing splint is inserted to a test tube of \(N_{2}O\), the splint will just keep on glowing and won't burst into flames. This is because \(N_{2}O\) supports combustion passively.

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Most popular questions from this chapter

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