Balanced the following reactions by oxidation number method
`H_2SO_4 (aq) + C(s) rarr CO_2 (g) + SO_2 (g) + H_2O(l) (acidic)`

Balanced the following reactions by oxidation number method MnO_4^Theta (aq) + Br (aq) rarr MnO_2 (s) + BrO_3^(Theta (aq) (basic)

Balance the following redox reactions by ion- electron method: H_2O_2 (aq) + Fe^(2+) (aq) rarr Fe^(3+) (aq) + H_2O (l) (in acidic solution)

Balanced the following reactions by oxidation number method Cr_2O_7^(2Theta) (aq) + SO_3 ^(2Theta) (aq) rarr Cr^(3Theta) (aq) + SO_4^(2Theta) (aq) (acidic)

Balanced the following reactions by oxidation number method Bi (OH)_3 (g) + Sn(OH)_3^ Theta (aq) rarr Bi (s) + Sn (OH)_6^(2Theta) (aq) (basic)

Balance the following redox reactions by ion- electron method: Cr_2O_7^(2-) (aq) + SO_2 (g) rarr Cr^(3+) (aq) + SO_4^(2-) (aq) (in acidic solution)

Balance the following redox reactions by ion- electron method: MnO_4^(-) (aq) + SO_2 (g) rarr Mn^(2+) (aq) + HSO_4^(-) (in acidic solution)

The number of water molecules required to balance the following reaction is ________. H_2SO_(4(aq))+C_((s))rarrCO_(2(g))+SO_(2(g))+H_2O_((l))(acidic)

Justify the following reactions are redox reaction : Fe_(2)O _ 3 (s) + 3CO(g) rarr 2Fe(s) + 2 CO_ 2 (g)

Justify the following reactions are redox reaction : CuO(s) + H_2 (g) rarr Cu (s) + H_2O(g)