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On passing H2 S gas in II group sometime...

On passing `H_2 S` gas in II group sometimes the solution turns milky. It indicates the presence of

A

Oxidising agent

B

acidic salt

C

Thiosulphate

D

Reducing agent

Text Solution

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Oxidising agent. It turns the solution milky due to the oxidation of `H_(2)S` to colloidal sulphur.
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