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  4. Which of the following statements is true for the electrochemical Daniel cell?

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Q. Which of the following statements is true for the electrochemical Daniel cell?

Electrochemistry

Solution:

In Daniel cell, following reaction occurs.

$Zn + Cu ^{2+} \rightarrow Zn ^{2+}+ Cu$

At cathode $; Cu ^{2+}+2 e ^{-} \rightarrow Cu$

At anode ; $\quad Zn \rightarrow Zn ^{2+}+2 e ^{-}$

Electrons move from anode (Zn) to cathode (Cu) and electricity flows from Cu to Zn. Here, cations moves towards cathode conner electrode