Electrochemistry Ques 42
42. A hypothetical electrochemical cell is shown below
$A|A^{+}(xM)||B^{+}(yM)| B$
The emfmeasured is $+0.20 V$. The cell reaction is
[2006]
(a) $A^{+}+e^{-} \to A ; B^{+}+e^{-} \to B$
(b) The cell reaction cannot be predicted
(c) $A+B^{+} \to A^{+}+B$
(d) $A^{+}+B \to A+B^{+}$
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Answer:
Correct Answer: 42.(c)
Solution:
(c) The cell reacton is as follows :
