Assume a cell with the following reaction

$$C{u_{(s)}} + 2A{g^ + }(1 \times {10^{ - 3}}M) \to C{u^{2 + }}(0.250M) + 2A{g_{(s)}}$$

$$E_{cell}^\Theta = 2.97$$ V

E_cell for the above reaction is ______________ V. (Nearest integer)

[Given : log 2.5 = 0.3979, T = 298 K]

Potassium chlorate is prepared by electrolysis of KCl in basic solution as shown by following equation.

6OH^$$-$$ + Cl^$$-$$ $$\to$$ ClO₃^$$-$$ + 3H₂O + 6e^$$-$$

A current of xA has to be passed for 10h to produce 10.0g of potassium chlorate. The value of x is ____________. (Nearest integer)

(Molar mass of KClO₃ = 122.6 g mol^$$-$$1, F = 96500 C)

The molar conductivities at infinite dilution of barium chloride, sulphuric acid and hydrochloric acid are 280, 860 and 426 S cm² mol^$$-$$1 respectively. The molar conductivity at infinite dilution of barium sulphate is _________ S cm² mol^$$-$$1. (Round off to the Nearest Integer ).

For the reaction

2Fe³⁺(aq) + 2I^$$-$$(aq) $$ \to $$ 2Fe²⁺(aq) + I₂(s)

the magnitude of the standard molar Gibbs free energy change, $$\Delta$$_rG$$_m^o$$ = $$-$$ ___________ kJ (Round off to the Nearest Integer).

$$\left[ {\matrix{ {E_{F{e^{2 + }}/Fe(s)}^o = - 0.440V;} & {E_{F{e^{3 + }}/Fe(s)}^o = - 0.036V} \cr {E_{{I_2}/2{I^ - }}^o = 0.539V;} & {F = 96500C} \cr } } \right]$$