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Question

The standard reaction, Gibbs energy for the electrochemical reaction.
Cr2O27+6Fe2++14H+2Cr3++6Fe3++7H2O is 793 kJmol1 The standard cell potential is:

A
+ 1.37 V
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B
+4.11 V
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C
+2.74 V
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D
+2.05 V
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