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Physical Properties of HCl

In a laborato...

Question

In a laboratory, Jar A is filled with a colourless acid. Jar B is filled with pale yellow acid. Which jar is filled with hydrochloric acid?

A

Jar A

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B

Jar B

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C

Both Jar A and Jar B

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D

Neither Jar A and Jar B

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Solution

The correct option is A
Jar A

Hydrochloric acid is a colourless acid. Hence Jar A is filled with hydrochloric acid. Jar B is filled with nitric acid. Pure nitric acid is colourless but in the laboratory, it is pale yellow in color due to the dissociation of nitrogen dioxide gas.

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