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What is the direction of current in following galvanic cell?

 

$\begin{array}{1 1}(A)\;Cu\;electrode\; to\; Zn\; electrode\\(B)\;Zn\;electrode\;to \;CO\;electrode\\(C)\;Sometimes\;Cu\;to\;Zn\;and\;sometimes\;Zn\;to\;Cu\\(D)\;None\end{array}$

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1 Answer

By electrochemical series
$E_{Cu^{+2}/Cu}>E_{Zn^{+2}/Zn}$
So Cu electrode behave as cathode and Zn as anode.So current flows from Cu to Zn electrode.
Hence (A) is the correct answer.
answered Dec 10, 2013 by sreemathi.v
 

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