(C) cell with less variation in $EMF$ with temperature is preferred as a reference electrode because it can be used over a wider range of temperatures

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(C) cell with less variation in $EMF$ with temperature is preferred as a reference electrode because it can be used over a wider range of temperatures without significant deviation from its standard value.Therefore,a cell with the minimum value of $(\frac{\partial E}{\partial T})_P$ is preferred.Comparing the given values: $A = 1 \times 10^{-4}$,$B = 2 \times 10^{-4}$,$C = 0.1 \times 10^{-4}$,$D = 0.2 \times 10^{-4}$.The minimum value is $0.1 \times 10^{-4}$,which corresponds to cell $C$.

Class 12 Chemistry Electrochemistry Electrode potential and ECell

Difficult

The $(\frac{\partial E}{\partial T})_P$ of different types of half cells are as follows:
$A$ $B$ $C$ $D$
$1 \times 10^{-4}$ $2 \times 10^{-4}$ $0.1 \times 10^{-4}$ $0.2 \times 10^{-4}$

(Where $E$ is the electromotive force)
Which of the above half cells would be preferred to be used as reference electrode?

$A$	$B$	$C$	$D$
$1 \times 10^{-4}$	$2 \times 10^{-4}$	$0.1 \times 10^{-4}$	$0.2 \times 10^{-4}$

JEE MAIN 2022 All JEE MAIN

A
$A$
B
$B$
C
$C$
D
$D$

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$E^o_{cell}$ for the cell: $Pt_{(s)} | H_{2(g)} | HCOOH_{(aq)} || CH_3COOH_{(aq)} | H_{2(g)} | Pt_{(s)}$ at $25^oC$ is ............ $V$. ($K_a$ of $HCOOH = 2.4 \times 10^{-4}$,$K_a$ of $CH_3COOH = 1.8 \times 10^{-5}$,$\log 2 = 0.3$,$\log 3 = 0.477$,$\frac{2.303RT}{F} = 0.059$ or $0.06$)

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If $E^{0}_{Ag^{+} | Ag} = 0.80\, V$ and $E^{0}_{Cu^{2+} | Cu} = 0.34\, V$,then the standard cell potential of the cell formed by these electrodes is ........... $V$.

Medium

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On the basis of the following electrode potentials,which one is the strongest reducing agent?
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EasyGUJCET 2020

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The $emf$ of a galvanic cell,with electrode potentials of silver $= +0.80 \ V$ and that of copper $= +0.34 \ V$,is ........... $V$.

MediumAIIMS 1999

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Which of the following metals cannot displace $H_2$ from acids or $H_2O$ from its compounds?

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The $(\frac{\partial E}{\partial T})_P$ of different types of half cells are as follows:$A$$B$$C$$D$$1 \times 10^{-4}$$2 \times 10^{-4}$$0.1 \times 10^{-4}$$0.2 \times 10^{-4}$(Where $E$ is the electromotive force)Which of the above half cells would be preferred to be used as reference electrode?

Similar Questions

$E^o_{cell}$ for the cell: $Pt_{(s)} | H_{2(g)} | HCOOH_{(aq)} || CH_3COOH_{(aq)} | H_{2(g)} | Pt_{(s)}$ at $25^oC$ is ............ $V$. ($K_a$ of $HCOOH = 2.4 \times 10^{-4}$,$K_a$ of $CH_3COOH = 1.8 \times 10^{-5}$,$\log 2 = 0.3$,$\log 3 = 0.477$,$\frac{2.303RT}{F} = 0.059$ or $0.06$)

If $E^{0}_{Ag^{+} | Ag} = 0.80\, V$ and $E^{0}_{Cu^{2+} | Cu} = 0.34\, V$,then the standard cell potential of the cell formed by these electrodes is ........... $V$.

On the basis of the following electrode potentials,which one is the strongest reducing agent? $E^0_{Cr_2O_7^{2-}/Cr^{3+}} = 1.33 \text{ V}$,$E^0_{MnO_4^-/Mn^{2+}} = 1.51 \text{ V}$,$E^0_{Br_2/Br^{-}} = 1.09 \text{ V}$,$E^0_{Zn^{2+}/Zn} = -0.76 \text{ V}$

The $emf$ of a galvanic cell,with electrode potentials of silver $= +0.80 \ V$ and that of copper $= +0.34 \ V$,is ........... $V$.

Which of the following metals cannot displace $H_2$ from acids or $H_2O$ from its compounds?

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On the basis of the following electrode potentials,which one is the strongest reducing agent?
$E^0_{Cr_2O_7^{2-}/Cr^{3+}} = 1.33 \text{ V}$,$E^0_{MnO_4^-/Mn^{2+}} = 1.51 \text{ V}$,$E^0_{Br_2/Br^{-}} = 1.09 \text{ V}$,$E^0_{Zn^{2+}/Zn} = -0.76 \text{ V}$