Which among the following statements is true for a Galvanic cell?
- AThe anode is negative and cathode is positive.
- BElectrical energy is converted into chemical energy.
- CThe anode is positive and cathode is negative.
- DOxidation takes place at the positive electrode and reduction takes place at the negative electrode.
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For the cell: $Ag | AgCl | KCl(1 \ M) || KBr(1 \ M) | AgBr | Ag$,select the correct option.
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View SolutionWhat is the correct expression for $\Lambda_{m(NH_4OH)}^0$?
What is a secondary cell? Give examples of it.
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View SolutionThe maximum work that can be obtained from the following cell is
$X|X^{2+}_{(aq)} || Y^{+}_{(aq)}| Y$
Given,$E^{\circ}_{X^{2+}/X} = -1.7 \ V, E^{\circ}_{Y^{+}/Y} = 0.8 \ V$
$X|X^{2+}_{(aq)} || Y^{+}_{(aq)}| Y$
Given,$E^{\circ}_{X^{2+}/X} = -1.7 \ V, E^{\circ}_{Y^{+}/Y} = 0.8 \ V$
Observe the following statements about a dry cell:
$I$. It is a primary battery.
$II$. Zinc vessel acts as cathode.
$III$. $A$ paste of moist $NH_4Cl$,$MnO_2$ and $ZnCl_2$ is present between two electrodes.
$IV$. The potential of this cell is $1.5 \ V$.
The correct statements are:
$I$. It is a primary battery.
$II$. Zinc vessel acts as cathode.
$III$. $A$ paste of moist $NH_4Cl$,$MnO_2$ and $ZnCl_2$ is present between two electrodes.
$IV$. The potential of this cell is $1.5 \ V$.
The correct statements are:
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