Question

the following question
Whose the equation of
laboratory prepration of hydrogen chloride gas
write the equation for the prepration mentaln!
the condition sredoired.
Name the Drying Agent used justly your answer
state the Saftey precautions you would tale dowing the
prepration of Hcl Acid.​

Answer 1

Answer:

Hydrogen chloride gas is prepared by treating Sodium chloride with concentrated sulphuric acid. The HCl gas is passed through a drying agent to remove moisture where concentrated sulphuric acid plays the role of dehydrating agent as well.

(ii) NaCl+H

2

SO

4

→NaHSO

4

+HCl(g)

Answer 2

Answer:

Explanation:

NaCl+H₂SO₄(conc)=NaHSO₄  +HCl

The drying agent is concentrate sulphuric acid  because it is an acidic drying agent and other drying agents reacts with HCl

The temperature should be raised above 2000C during the preparation of hydro chloric acid because above this temperature it forms sticky substance sodium sulphate  that sticks to glass apparartus which becomes becomes difficult to remove and also cause wastage of heat

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BY Tolety Roshan  

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