(D) The relationship between conductance $(G)$ and conductivity $(k)$ is given by the formula: $G = k \times (A/l)$,where $A$ is the area of cross-sec

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(D) The relationship between conductance $(G)$ and conductivity $(k)$ is given by the formula: $G = k \times (A/l)$,where $A$ is the area of cross-section and $l$ is the length of the conductor.For $G = k$,the cell constant $(l/A)$ must be equal to $1 \ cm^{-1}$.This occurs when the area of cross-section $A = 1 \ cm^2$ and the length $l = 1 \ cm$.Since these conditions define a unit cube of solution,the volume is $1 \ cm^3$.Therefore,all the given options are correct.

Class 12 Chemistry Electrochemistry Conductor and Conductance and Cell constant

Easy

When is the conductance $G$ equal to the conductivity $k$?

A
When the cell constant is $1 \ cm^{-1}$
B
When the area of cross-section is $1 \ cm^2$ and length is $1 \ cm$
C
When the volume of the solution is $1 \ cm^3$
D
All of the above

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Conductor and Conductance and Cell constant

The cell constant of a cell is $0.5 \ cm^{-1}$ and the resistance $R = 50 \ \Omega$. If the normality is $1 \ N$,then the equivalent conductivity of the electrochemical cell is ...... $\Omega^{-1} \ cm^2 \ (g \ eq)^{-1}$.

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The electrodes of a conductivity cell are $3 \text{ cm}$ apart and have a cross-sectional area of $4 \text{ cm}^2$. The cell constant of the cell (in $\text{cm}^{-1}$) is

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The molar conductances of $Ba(OH)_2$, $BaCl_2$ and $NH_4Cl$ at infinite dilution are $523.28$, $280.0$ and $129.8 \ S \ cm^2 \ mol^{-1}$ respectively. The molar conductance of $NH_4OH$ at infinite dilution will be:

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$AgNO_3$ (aq.) was added to an aqueous $KCl$ solution gradually and the conductivity of the solution was measured. The plot of conductance ( $\Lambda$ ) versus the volume of $AgNO_3$ is

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The equivalent conductivities of $Al^{3+}$ and $SO_4^{2-}$ ions at infinite dilution are $189$ and $160 \ \Omega^{-1} cm^2 eq^{-1}$ respectively. What is the equivalent conductivity of $Al_2(SO_4)_3$ at infinite dilution?

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When is the conductance $G$ equal to the conductivity $k$?

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The cell constant of a cell is $0.5 \ cm^{-1}$ and the resistance $R = 50 \ \Omega$. If the normality is $1 \ N$,then the equivalent conductivity of the electrochemical cell is ...... $\Omega^{-1} \ cm^2 \ (g \ eq)^{-1}$.

The electrodes of a conductivity cell are $3 \text{ cm}$ apart and have a cross-sectional area of $4 \text{ cm}^2$. The cell constant of the cell (in $\text{cm}^{-1}$) is

The molar conductances of $Ba(OH)_2$, $BaCl_2$ and $NH_4Cl$ at infinite dilution are $523.28$, $280.0$ and $129.8 \ S \ cm^2 \ mol^{-1}$ respectively. The molar conductance of $NH_4OH$ at infinite dilution will be:

$AgNO_3$ (aq.) was added to an aqueous $KCl$ solution gradually and the conductivity of the solution was measured. The plot of conductance ( $\Lambda$ ) versus the volume of $AgNO_3$ is

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