The cell reaction of the given galvanic cell- Cus-Cu2-aq-Hg2-aq-Hgl is-

The correct option is D Cu+Hg^2+→ Cu^2++Hg Cu(s)|Cu^2+_aq|_anode|Hg^2+|Hg_(l)_cathode In anode oxidation takes place Cu⟶ Cu^2++2e^ In cathode r ...

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Standard XII

Chemistry

Electrochemical Cells, Galvanic Cells

The cell reac...

Question

The cell reaction of the given galvanic cell,

$C u_{(s)} | C u_{(a q)}^{2 +} | | H g_{(a q)}^{2 +} | H g_{(l)}$ is:

H g + C u^{2 +} \to H g^{2 +} + C u

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H g + C u^{2 +} \to C u^{+} + H g^{+}

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C u + H g \to C u H g

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C u + H g^{2 +} \to C u^{2 +} + H g

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Solution

The correct option is D $C u + H g^{2 +} \to C u^{2 +} + H g$
$C u (s) | C u_{a q}^{2 +} |      a n o d e | H g^{2 +} | H g_{(l)}      c a t h o d e$
In anode oxidation takes place $C u ⟶ C u^{2 +} + 2 e^{-}$

In cathode reduction takes place $H g^{2 +} + 2 e^{-} ⟶ H g$

Overall: $C u + H g^{2 +} ⟶ C u^{2 +} + H g$

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Similar questions

Given : $E_{A g^{\oplus} | A g}^{⊖} = 0.80 V, E_{M g^{2 +} | M g}^{⊖} = - 2.37 V$ ; $E_{C u^{2 +} | C u}^{⊖} = 0.34 V . E_{H g^{2 +} | H g}^{⊖} = 0.79 V$

Which of the following statements is/ are incorrect ?

Q. Represent the galvanic cell in which the reaction takes place.

Z n (s) + {C u}^{2 +} (a q) \to {Z n}^{2 +} (a q) + C u (s)

Q. Select the correct statement for a galvanic cell involving the following reaction:

Z n (s) + C u^{2 +} (a q) ⇌ Z n^{2 +} (a q) + C u (s)

For cell reaction, $Z n + C u^{2 +} \to Z n^{2 +} + C u,$ cell representation is

Q. Which of the following represents the anode half-cell reaction for the following galvanic cell:

C u (s) | C u^{2 +} (a q) | | A g^{+} (a q) | A g (s)

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The cell reaction of the given galvanic cell,Cu(s)|Cu2+(aq)||Hg2+(aq)|Hg(l) is:

The correct option is D Cu+Hg2+→Cu2++HgCu(s)|Cu2+aq|anode|Hg2+|Hg(l)cathodeIn anode oxidation takes place Cu⟶Cu2++2e−In cathode reduction takes place Hg2++2e−⟶HgOverall: Cu+Hg2+⟶Cu2++Hg

The cell reaction of the given galvanic cell,

$C u_{(s)} | C u_{(a q)}^{2 +} | | H g_{(a q)}^{2 +} | H g_{(l)}$ is: