For the given reactions

${\mathrm{Sn}}^{2+}+2{\mathrm{e}}^{-}\to \mathrm{Sn}$

${\mathrm{Sn}}^{4+}+4{\mathrm{e}}^{-}\to \mathrm{Sn}$ the electrode potentials are ; ${\mathrm{E}}_{{\mathrm{Sn}}^{2+}/\mathrm{Sn}}^{°}=-0.140 \mathrm{V}$ and ${\mathrm{E}}_{{\mathrm{Sn}}^{4+}/\mathrm{Sn}}^{°}=0.010 \mathrm{V}$. The magnitude of standard electrode potential for ${\mathrm{Sn}}^{4+}/{\mathrm{Sn}}^{2+}$ i.e. ${\mathrm{E}}_{{\mathrm{Sn}}^{4+}/{\mathrm{Sn}}^{2+}}^{°}$ is____$\times {10}^{-2} \mathrm{V}$(Nearest integer)

The cell potential for the given cell at $298 \mathrm{K} \mathrm{Pt}\left|{\mathrm{H}}_2\left(\mathrm{g},1 \mathrm{bar}\right)\right|\left|{\mathrm{H}}^{+}\left(\mathrm{aq}\right)\Vert {\mathrm{Cu}}^{2+}\left(\mathrm{aq}\right)\right|\mathrm{Cu}\left(\mathrm{s}\right)$ is $0.31 \mathrm{V}$. The $\mathrm{pH}$ of the acidic solution is found to be $3$, whereas the concentration of ${\mathrm{Cu}}^{2+}$ is ${10}^{-\mathrm{x}} \mathrm{M}$. The value of $\mathrm{x}$ is _________.

(Given: ${\mathrm{E}}_{{\mathrm{Cu}}^{2+}/\mathrm{Cu}}^{\Theta }=0.34 \mathrm{V}$ and $\frac{2.303\mathrm{RT}}{\mathrm{F}}=0.06 \mathrm{V}$)

The molar conductivity of a conductivity cell filled with $10$ moles of $20 \mathrm{mL} \mathrm{NaCl}$ solution is ${\mathrm{\Lambda }}_{\mathrm{m}1}$ and that of $20$ moles another identical cell heaving $80 \mathrm{mL} \mathrm{NaCl}$ solution is ${\mathrm{\Lambda }}_{\mathrm{m}2}$, The conductivities exhibited by these two cells are same.

The relationship between ${\mathrm{\Lambda }}_{\mathrm{m}2}$ and ${\mathrm{\Lambda }}_{\mathrm{m}1}$ is

The amount of charge in $\mathrm{F}$ (Faraday) required to obtain one mole of iron from ${\mathrm{Fe}}_3{\mathrm{O}}_4$ is

Round off the answer to the nearest integer.

Given below are two statements:

Statement I: For $\mathrm{KI}$, molar conductivity increases steeply with dilution.

Statement II: For carbonic acid, molar conductivity increases slowly with dilution. In the light of the above statements, choose the correct answer from the options given below

Match List-I with List-II.

Choose the correct answer from the options given below