Balance the following Redox process by ion-electron method or oxidation number method:
`P_(4(s)) + OH_(aq)^(- )rarr PH_(3(g)) + HPO_(2(aq))^-`

Balance the following Redox reaction by ion-electron method or oxidation number method (Acid medium). Cr_2O_(7(aq))^(2-) + SO_(2) .............> Cr^(3+) SO_(4(aq))^(2-)

Balance the following redox reaction in acid medium using oxidation number method. Cr_2O_7(2-) +Fe^(2+)rarr Cr^(3+) +Fe^(3+)

Balance the following equation using oxidation number method: MnO_2 +Cl^(-) rarr Mn^(2+)+Cl_2

Balance the following redox reaction by ion electron method MnO_4^- (aq) + I^- (aq) to MnO_2 (s) + I_2(s) (base medium)

Balance the following redox reactions by ion electron method MnO_4^-(aq) + SO_2 (g) to Mn^(2+) (aq) + HSO_4^- (aq) (acid medium)

Balance the following redox reaction by ion electron method H_2O_2 (aq) + Fe^(2+) (aq) toFe^(3+)(aq) + H_2O (l) (acid medium)

Balance the equations in the basic medium by ion electron method and oxidation number methods. Identify the oxidant and reductant P_4 (s) + OH^(-)(aq) to PH_3 (g) + H_2PO_2^(-) (aq)

Balance the equations in the basic medium by ion electron method and oxidation number methods. Identify the oxidant and reductant Cl_2O_7 (g) + H_2O_2 (aq) to ClO_2^(-)(aq) + O_2 (g) + H^+

Balance the equations in the basic medium by ion electron method and o0XIdation number methods. Identify the o0XIdant and reductant N_2H_2 (l) + ClO_3^(-) (aq) to NO (g) + Cl^(-) (g)