Question

Dry hydrogen chloride gas does not turn blue litmus to red. Whereas hydrochloric acid does. Why?

SCERT Telangana Class 10 General Science Ch Acid Bases and Salts

Answer 1

This is because HCl produces H+ ions only in the presence of water.Since the hydrogen chloride gas does not contains water it does not turn blue litmus to red where as HCl acid turns.

Answer 2

heya..

here is you answer..

Dry HCL gas is not an acid because it does not produce H+ ions can't turn blue litmus to red litmus.

Hydrochloric acid is an aqueous solution so it can produce H + ions hence it can turn blue litmus to red litmus.

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