Some Basic Concepts Of Chemistry Question 204

Question: 4.4 g of an unknown gas occupies 2.24L of volume at standard temperature and pressure. The gas may be [MP PMT 1995]

Options:

A) Carbon dioxide

B) Carbon monoxide

C) Oxygen

D) Sulphur dioxide

Show Answer

Answer:

Correct Answer: A

Solution:

∵ 2.24L of gas has mass = 4.4gm
∴ 22.4L of gas has mass =4.42.24×22.4=44

So given gas is CO2 because CO2 has molecular mass=44.

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