State, giving reasons, whether the substances printed in bold letters have been oxidised or reduced.
`H_2 S + Cl_2 to 2 HCl + S`

State, giving reasons, whether the substances printed in bold letters have been oxidised or reduced. Cl_2 + H_2S to 2HCI + S

State, giving reasons, whether the substances printed in bold letters have been oxidised or reduced. Mg + 2HCl to MgCl_2 + H_2

State, giving reasons, whether the substances printed in bold letters have been oxidised or reduced. PbO + CO to Pb + CO_2

State whether the compounds shown in bold letters are oxidised or reduced. Provide reasons also. CuO+H_2 to Cu+H_2O

State giving reasons which is a stronger acid - dil HCl or conc. H_(2)CO_(3)

Indicate in the following reactions which of the reactants, if any, are oxidised or reduced: a. 2HI(aq)+Cl_(2)(aq) rarr I_(2)(s) + 2HCl(aq) b. 2MnO_(2) + 4Al rarr 3Mn +2Al_(2)O_(3) c. 2MnO_(4)^(Ө) + 10Cl^(Ө) + 16H^(o+) rarr 2Mn^(2+) + 5Cl_(2) + 8H_(2)O d. 2Cu^(2+)+2Br^(Ө)+SO_(2)+H_(2)Orarr 2CuBr+4H^(o+)

Balance the following equation : H_2O + Cl_2 to HCl + O_2 .

State giving reason whether the following reaction would involve an increase, a decrease or no change in entropy. 4Fe(s) + 3O_2(g) to 2Fe_2O_3 (s)

Chlorine oxidises H_2 S to

Statement-1 :Chlorine bleaches vegetable or organic substances in the presence of moisture. Statement-2 : Cl_(2)+H_(2)O to 2HCl + [O]