Chemistry
In the laboratory preparation, HCl gas is dried by passing through:
- dilute nitric acid
- concentrated sulphuric acid
- dilute sulphuric acid
- acidified water
Hydrogen Chloride
ICSE 2023
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Answer
concentrated sulphuric acid
Reason — Concentrated Sulphuric acid only removes the moisture content of HCl gas but does not react with it. Hence, it is used as a drying agent for HCl gas.
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