Question

A galvanic cell is set up from electrodes A and B
Electrode A : $Cr_2O_7^{2-} / Cr^{3+}$, $E^o_{red}$ = + 1.33 V
Electrode B : $Fe^{3+} / Fe^{2+}$, $E^o_{red}$ = 0.77 V
Which of the following statements is false ?
(a) Standard e.m.f of the cell is 0.56 V
(b) Current will flow from electrode A to B in the external circuit
(c) A will act as cathode and have positive polarity
(d) None of these

Answer 1

none of these is the answer

Answer 2

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→ [B]


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