Sometimes yellow turbidity appears while passing `H_(2)S` gas even in slightly acidic medium 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 sulphidesC. of the oxidation of `H_(2)S` gas by some acid radicalsD. `III` group radicals are precipitated as hydroxides.

Sometimes yellow turbidity appears while passing `H_(2)S` gas even in

1.	Sometimes yellow turbidity appears while passing `H_(2)S` gas even in slightly acidic medium 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 sulphidesC. of the oxidation of `H_(2)S` gas by some acid radicalsD. `III` group radicals are precipitated as hydroxides.
Answer» Correct Answer - C

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