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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 of

A

sulphur is present in the mixture as impurity

B

IV group radicals are precipitated as sulphides.

C

the oxidation of H2S gas by some acid radicals.

D

III group radicals are precipitated as hydroxides.

Text Solution

Verified by Experts

The correct Answer is:
C
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