In the laboratory preparation of oxygen, dried oxygen is usually collected over

a

hydrochloric acid

b

mercury

c

calcium chloride

d

tetraoxosulphate (VI) acid

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Correct Option
b

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Discussions (9)

Dave333
4 years ago

Oxygen is usually collected over water because the solubility of the gas in water is not high. If the gas is needed dry, then it can be passed through a drying agent, like anhydrous calcium chloride or quick lime, or concentrated sulphuric acid, and then collected over mercury.

Onyeka NEO
10 years ago

Dried oxygen is usually collected over mercury

Myschool Amos
10 years ago

thanks for your contributions, the question has been modified.

Najibutajo1
4 months ago

it's collected over mercury

Prof E.C.G
12 years ago

Correct answer is "B" .Dried Oxygen is collectd over Mecury.

Wisdom~D¤genius
11 years ago

cacl2 is deliquesent why is it not suitable for dying oxygen

AKPEBOY16
9 years ago

it is collected over mercury

Bukes
12 years ago

Dried oxygen is collect ova mercury.

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