The following questions pertain to the laboratory preparation of hydrogen chloride gas.
(i) Write the equation for its preparation, mentioning the conditions required.

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Solution

Balanced chemical equation for reaction:
$N a C l + H_{2} S O_{4} \to N a H S O_{4} + H C l ↑$
(Temperature for the reaction $< 200^{\circ} C$ )
Although it is a reversible reaction, it goes to completion as hydrogen chloride continuously escapes as a gas. The reaction can occur up to the stage of the formation of sodium sulphate on heating above $200^{\circ} C$ .

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The following questions are pertaining to the laboratory preparation of Hydrogen chloride gas.

Write the equation for the preparation mentioning the condition required.

Q. Write the equation for its laboratory preparing of hydrogen chloride gas mentioning the condition required.

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The following questions pertain to the laboratory preparation of hydrogen chloride gas. (i) Write the equation for its preparation, mentioning the conditions required.

The following questions pertain to the laboratory preparation of hydrogen chloride gas.
(i) Write the equation for its preparation, mentioning the conditions required.