For cell reaction- Zn - Cu 2- Zn 2- Cu- cell representation isA- C u-C u2-Z n2- Z nB- Zn - Zn 2- -Cu 2- CuC- Cu - Zn 2- -l Zn - Cu 2-D- C u2-Z n-Z n2- C u

The correct option is B Electrode on which oxidation occurs is written on L.H.S. nbsp;and the other on the R.H.S. as represented by ...

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Electrochemical Cells, Galvanic Cells

For cell reac...

Question

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

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The cell representation of the given reaction is:
Zn(s) + Cu²⁺ → Zn²⁺ + Cu(s)

Z n + C u^{2 +} \to Z n^{2} + C u

Below given are emf of three galvanic cells, represented by $E_{1}$ , $E_{2}$ and $E_{3}$ . Which of the following is true?

I. $Z n | Z n^{2 +} (1 M) | | C u^{2 +} (1 M) | C u$

II. $Z n | Z n^{2 +} (0.1 M) | | C u^{2 +} (1 M) | C u$

III. $Z n | Z n^{2 +} (1 M) | | C u^{2 +} (0.1 M) | C u$

E_{1}, E_{2}, E_{3}

Z n | Z n_{1 M}^{2 +} | | C u_{0.1 M}^{2 +} | C u

Z n | Z n_{1 M}^{2 +} | | C u_{1 M}^{2 +} | C u

Z n | Z n_{0.1 M}^{2 +} | | C u_{1 M}^{2 +} | C u

E_{C e l l}^{o}

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

E_{C u^{2 +} / C u}^{\circ} = 0.34 V, E_{Z n^{2 +} / Z n}^{\circ} = - 0.76 V

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