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Sometimes yellow turbidity appears while...

Sometimes yellow turbidity appears while passing `H_2 S` gas even in the absence of II group radicals. This is because

A

Sulphur is present in the mixture as impurity

B

IV group radicals are precipitated as sulphides

C

of the oxidation of `H_(2)S` gas by some acid radical

D

III group radicals are precipitated as hydroxide.

Text Solution

Verified by Experts

`H_2 S + underset("redical")underset("oxidising")underset("From some")([O]) to underset("sulphur")underset("Colloidal")(Sdarr) _H_(2)O`
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