Consider the Galvanic cell $Zn|ZnSO_4||CuSO_4|Cu$. The reaction at the cathode is
- A$Zn^{2+} + 2e^- \to Zn$
- B$Cu^{2+} + 2e^- \to Cu$
- C$Cu^{2+} + Zn \to Cu + Zn^{2+}$
- D$Zn^{2+} + Cu \to Zn + Cu^{2+}$
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Similar Questions
Which is the correct symbolic representation for the following cell reaction?
$Mg_{(s)} + Cl_{2(g)} \rightarrow Mg^{2+}_{(aq)} + 2Cl^{-}_{(aq)}$
$Mg_{(s)} + Cl_{2(g)} \rightarrow Mg^{2+}_{(aq)} + 2Cl^{-}_{(aq)}$
MediumGUJCET 2021
View SolutionThe minimum voltage (in $V$) required to bring about the electrolysis of $1 \ M$ copper$(II)$ sulphate solution at $298 \ K$ is (Given $E^{\circ}_{Cu^{2+}/Cu} = 0.34 \ V$ and $E^{\circ}_{O_2/H_2O} = 1.23 \ V$)
Define inert electrode and give an example. Also,define an active electrode and give examples.
Easy
View SolutionWhich option is incorrect for the working cell? $Pt \mid Cl_{2(g, 1 \ bar)} \mid Cl_{(C_1)}^{-} \parallel Cl_{(C_2)}^{-} \mid Cl_{2(g, 1 \ bar)} \mid Pt$
Which of the following mixtures is used as an electrolyte paste in a mercury cell?
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