Cr → CrCl3
Na → Na+
2S2O32- → S4O62-
K2CrO4 → K2CrO7
If emf of the cell Zn| Zn2 (0.01 M)| | Fe2+ (0.001 M) | Fe at 298 K is 0.2957, then the value of equilibrium constant for the cell reaction is?
Ag2O + O3 → 2Ag + 2O2
KNO2 + O3 → KNO3 + O2
Na3AO3 + O3 → Na3AsO4 + O2
with S to give H2S
with I2 to give HI
Among the properties (a) reducing (b) oxidizing (c) complexing the set of properties shown by CN- ion towards metal species is
Calculate the e.m.f. of a galvanic cell, the cell reaction is Mg(s) + Cu2+(aq) → Cu(s) + Mg2+(aq). If the standard reduction potentials of Mg and Cu are -2.37 V and + 0.34 V?
2H2(g) + O2(g) → 2H2O(I)
2Fe(s) + O2(g) + 4H+(aq) → 2Fe2+(aq) + 2H2O(I)
Pb(s) + PbO2(s) + 2H2SO4(aq) →2PbSO4(s) + 2H2O(I)
Cd(s) + 2Ni(OH)3(s) → CdO(s) + 2Ni(OH)2(s) + H2O(I)
For the redox reaction : Zn(s) + Cu2+ (0.1 M) → Zn2+ (1 M) + Cu(s) taking place in a cell, Eo cell is 1.1 volt. Calculate the value of Ecell for the cell?
