What reactants do we use for the laboratory preparation of hydrogen chloride?

Nitric acid and chlorine

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Water and nitric acid

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Sulphuric acid and sodium chloride

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Water and sulphuric acid

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Solution

The correct option is C
Sulphuric acid and sodium chloride

Hydrogen chloride or HCl is prepared in the laboratory through a reaction between sulphuric acid and sodium chloride.

Sulphuric acid and sodium chloride react to give hydrogen chloride and sodium sulphate. The equation for the reaction between sulphuric acid and sodium chloride is given below.

$2 N a C l + H_{2} S O_{4} \to 2 H C l + N a_{2} S O_{4}$

So the answer is Sulphuric acid and sodium chloride.

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