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Which of the following is a vapor?...

Which of the following is a vapor?

A

`H_(2)O`

B

`HF`

C

`HCl`

D

`HI`

Text Solution

Verified by Experts

The correct Answer is:
A
A gas is a substance that is normally in the gaseous state at ordinary temperatures and pressures. Vapor is the gaseous form of any substance that is a liquid or a solid at normal temperatures and pressures. Thus , at `25^(@) C` and `1 atm` , we speak of water vapor and oxygen gas.
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