Question

Dry hydrogen chloride gas do not turned into blue Litmus read whereas Dilute hydrochloride does...... reason?

Answer 1

Answer:

Dry hydrogen chloride gas does not turn blue litmus red when hydrochloric acid does. Give one reason. Acidity is due to the ability of giving H+ ion. Dry hydrogen chloride does not give hydrogen ions and so it does not act as an acid and does not turn blue litmus red.

Answer 2

Answer:

This is so because ionisation to hydronium ion occurs only and only when HCl is dissolved in water and acidity is nothing byt the measure of Hydronium ions . In the dried form no ionisation occurs and thus Litmus paper does not get turned red due to absensce of hydronium ions

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