Sometimes yellow turbidity appears while passing H_(2)S gas even in th – InterviewSolution

1.	Sometimes yellow turbidity appears while passing H_(2)S gas even in the absence of second group radicals. This is because:
Answer» Sulphur is PRESENT in the mixture as an IMPURITY The fourth group radicals get precipitated as sulphides Of the oxidation of `H_(2)S` to sulphur by some radicals ACTING as oxidant The third group radicals get precipitated as hydroxides. Answer :C

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