Which of the following showoxidation state of +4 ? – InterviewSolution

1.	Which of the following showoxidation state of +4 ?
Answer» Ce Ac Th U Solution :For (B)and for (C ) ,`KMnO_(4)`in presence of KOH FORMS `K_(2)MnO_(4)` and oxygen produced oxidizes HCHO to HCOOH and then to `CO_(2)` and `H_(2)O`.

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