Medium· Types of redox reactions· +4 / −1Which of the following is a disproportionation reaction? A. Cu+→Cu2++CuCu^+\to Cu^{2+}+CuCu+→Cu2++Cu B. MnO42−→MnO4−+MnO2MnO_4^{2-}\to MnO_4^-+MnO_2MnO42−→MnO4−+MnO2 C. H2O2→O2+H2OH_2O_2\to O_2+H_2OH2O2→O2+H2O D. CrO42−→Cr3++H2OCrO_4^{2-}\to Cr^{3+}+H_2OCrO42−→Cr3++H2OAA and C onlyBA and B onlyCA, B and C onlyDAll A, B, C and DCheck answerJust show me the answer