Chemistry Electrochemistry

The cell potential for $Zn|Z{n}^{2+}(aq)?S{n}^{*+}|Sn$  is 0.801 V at 298 K. The reaction quotient of the above reaction is 10^-2. The number of electrons involved in the given electrochemical cell reaction is _________.

(Given: $E_{Z{n}^{2+}|Zn}^o=-0.763V,E_{S{n}^{*+}|Sn}^o=+0.008Vand\frac{2.303RT}{F}=0.06V)$

For a cell, $Cu\left(s\right)\left|C{u}^{2+}\left(0.001M\right)\right|\left|A{g}^{+}\left(0.01M\right)\right|Ag\left(s\right)$  

The cell potential is found to be 0.43V at 298 K. The magnitude of standard electrode potential for Cu²⁺ / Cu is______________ × 10^-2V.

$\left[Given:E_{A{g}^{+}/Ag}^{\Theta }=0.80Vand\frac{2.303RT}{F}=0.06V\right]$

Resistance of a conductivity cell (cell constant 129 m^-1) filled with 74.5 ppm solution of KCl is $100\Omega$  (labeled as solution 1). When the same cell is filled with KCl solution of 149 ppm, the resistance is $50\Omega$  (labeled as solution 2). The ratio of molar conductivity of solution 1 and solution 2 is i.e. $\frac{{\wedge }_1}{{\wedge }_2}=x*10^{-3}.$  The value of x is________. (Nearest integer)

In a cell, the following reactions take place

Fe²⁺ → Fe³⁺ $E_{F{e}^{3+}/F{e}^{2+}}^0=0.77V$                         

2I^- → I₂ + 2e^- $E_{I_2/I^{-}}^0=0.54V$                       

The standard electrode potential for the spontaneous reaction in the cell is x * 10^-2 V 298 K. The value of x is________(Nearest Integer)

The resistance of a conductivity cell containing 0.01 MKCl solution at 298K is $1750\Omega$ . If is 0.152 * 10^-3 cm^-1, then the cell constant of the conductivity cell _________ * 10^-3 cm^-1.

The cell potential for the following cell

$Pt\left|H_2\left(g\right)\right|H^{+}\left(aq\right)\left|\right|C{u}^{2+}\left(0.01M\right)|Cu\left(s\right)$

Is 0.576 V at 298 K. The pH of the solution is __________. (Nearest integer)

(Given : $E_{C{u}^{2+}/Cu}^0=0.34Vand\frac{2.303RT}{F}=0.06V$ )

The drug tegamet is:

The mixture of chloroxylenol and terpineol is an example of