electrochemistry

Question: In dry cell the reaction which takes place at the zinc anode is

1) $Z{{n}^{2+}}+2{{e}^{-}}\to Zn\,(s)$

2) $Zn\,(s)\to Z{{n}^{2+}}+2{{e}^{-}}$

3) $M{{n}^{2+}}+2{{e}^{-}}\to Mn\,(s)$

4) $Mn\,(s)\to M{{n}^{+}}+{{e}^{-}}+1.5\,V$

Solution:

Explanation: No Explanation

Electrochemical cells

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