When hydrogen chloride gas is passed through a litmus solution, its colour changes to .

red

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blue

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purple

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yellow

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Solution

The correct options are
A red
B blue
When hydrogen chloride gas is passed through a blue litmus solution, the blue litmus solution turns red. This implies that HCl (aq) is acidic in nature.

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Similar questions

What will you observe if Hydrogen chloride gas is passed through blue litmus solution?

You enter a laboratory and you are asked to pass a gas through blue litmus solution. How will you be able to tell whether the gas passed in the experiment is hydrogen chloride or ammonia?

What would you observe when :

(a) blue litmus is introduced into a solution of hydrogen chloride gas,

(b) red litmus paper is introduced into a solution of ammonia in water,

What happens when SO₂ gas is passed through a potassium dichromate solution?

Explain why :

(a) anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
(b) when the stopper of a bottle full of hydrogen chloride gas is opened there are fumes in the air.
(c) a solution of hydrogen chloride in water turns blue litmus red and conducts electricity, while a solution of the same gas in toluene :
(i) has no effect on litmus, and
(ii) does not conduct electricity.
(d) thick white fumes are formed when a glass rod dipped in $N H_{4} O H$ is brought near the mouth of a bottle full of HCl gas.
(e) dry hydrogen chloride gas does not affect a dry strip of blue litmus paper but it turns red in the presence of a drop of water.

(f) hydrogen chloride gas is not collected over water.

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When hydrogen chloride gas is passed through a litmus solution, its colour changes to .

The correct options are A red B blueWhen hydrogen chloride gas is passed through a blue litmus solution, the blue litmus solution turns red. This implies that HCl (aq) is acidic in nature.

The correct options are
A red
B blue
When hydrogen chloride gas is passed through a blue litmus solution, the blue litmus solution turns red. This implies that HCl (aq) is acidic in nature.