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Different Chemical Properties of HCl

Give reason f...

Question

Give reason for the following:
Dilute hydrochloric acid cannot be concentrated by distilling (boiling) the dilute acid.

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Solution

Dilute hydrochloric acid cannot be concentrated beyond 22.2% by distillation (boiling) because it boils at a constant temperature of 110^oC, without any change in its concentration.

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Similar questions

Give reason for the following :

(a) Though lead is above hydrogen in the activity series, it does not react with dilute hydrochloric acid or dilute sulphuric acid.

(b) Potassium and sodium are not used fro reaction with dilute hydrochloric acid or dilute sulphuric acid in laboratory preparation of hydrogen.

Q. Give reason for the following:
Though lead is above hydrogen in the activity series, it does not react with dilute hydrochloric acid or dilute sulphuric acid.

Q. Assertion :We can distinguish between solutions of dilute sulphuric acid with dilute HCl and dilute

H N O_{3}

. Reason: With barium chloride solution sulphuric acid will give white precipitate while hydrochloric acid and nitric acid will not give any precipitate

Q. Give a reason for the following:
Potassium and sodium are not used for reaction with dilute hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.

Q. Give a chemical test to distinguish between :
(a) dilute sulphuric acid and dilute hydrochloric acid.
(b) dilute sulphuric acid and concentrated sulphuric acid.
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