1.

Concentrated hydrochloric acid when kept in open air sometimes produces a could of white fumes. The explanation for it is that

Answer»

Oxygen in air reacts with the emitted HCl gas to form a CLOUD of chlorine gas
STRONG affinity of Hcl gas for moisture in air RESULTS in forming of droplets of LIQUID solution which APPEARS like a cloudy smoke .
Due to strong affinity for water , concentrated hydrochloric acid pulls moisture of air towards itself . This moisture forms droplets of water .
Concentrated hydrochloric acid emits strongly smelling HCl gas all the time

Answer :C


Discussion

No Comment Found