S Block Elements Question 294
Question: Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The explanation for it is that
[AIEEE 2003]
Options:
A) Concentrated hydrochloric acid emits strongly smelling $ HCl $ gas all the time
B) Oxygen in air reacts with the emitted $ HCl $ gas to form a cloud of chlorine gas
C) Strong affinity of $ HCl $ gas for moisture in air results in forming of droplets of liquid solution which appears like a cloudy smoke
D) Due to strong affinity for water, concentrated hydrochloric acid pulls moisture of air towards itself. This moisture forms droplets of water and hence the cloud
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Answer:
Correct Answer: B
Solution:
HCl is a gas.
BETA
