Depict the galvanic cell in which the reaction, $Z n (s) + 2 A g^{+} (a q) \to Z n^{2 +} (a q) + 2 A g (s)$ takes place . Further show :

Which of the electrode is negatively charged

The carriers of the current in the cell

Individual reaction at each electrode

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Solution

(a). The galvanic cell for the reaction is represented as

$Z b (s) | Z n^{2 +} (a q) | | 2 A g^{+} (a q) | 2 A g (s)$

Zinc electrode (anode) is negatively charged.

(b). Electrons and ions are carriers of current in the cell and in the external circuit, current will flow from silver to zinc.

(c). The individual reaction at each electrode

$A n o d e : Z n_{(s)} O x i d a t i o n - ----- \to Z n_{(a q)}^{2 +} + 2 e^{-} C a t h o d e : 2 A g_{(a q)}^{+} + 2 e^{-} R e d u c t i o n - ----- \to 2 A g (s)$

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Electrolytic Cell

Standard XII Chemistry

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Depict the galvanic cell in which the reaction, Zn(s)+2Ag+(aq)→Zn2+(aq)+2Ag(s) takes place . Further show : Which of the electrode is negatively charged The carriers of the current in the cell Individual reaction at each electrode

Depict the galvanic cell in which the reaction, $Z n (s) + 2 A g^{+} (a q) \to Z n^{2 +} (a q) + 2 A g (s)$ takes place . Further show :

Which of the electrode is negatively charged

The carriers of the current in the cell

Individual reaction at each electrode