Question

Which of the following gases is not soluble in water? A) H2 B) CO2 C) NH3 D) SO2

Answer 1

Answer is NH3 only. It doesn't dissolves in water

Answer 2

Hi mate

Question

Which of the following gases is not soluble in water?

A) H2

B) CO2

C) NH3

D) SO2

Answer

Option A) H2 is your answer

Reason:

H2:

• Hydrogen gas is almost insoluble in water, it can be collected by displacement of water using an inverted apparatus. Hydrogen is highly explosive when mixed with air.

CO2:

• CO2 is soluble because water molecules are attracted to these polar areas.

• The bond between carbon and oxygen is not as polar as the bond between hydrogen and oxygen, but it is polar enough that carbon dioxide can dissolve in water.

NH3:

• NH3 is highly soluble in water. The lone pair of electrons on the nitrogen atom makes ammonia a polar substance.

SO2:

• Sulfur dioxide is a colorless gas with a pungent odor. It is a liquid when under pressure, and it dissolves in water very easily.

So, H2 is your answer

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