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in Chemistry by (69.2k points)

What would be the reduction potential of an electrode at 298 K, which originally contained 1M K2Cr2O7 solution in acidic buffer solution of pH = 1.0 and which was treated with 50% of the Sn necessary to reduce all Cr2O7 2– to Cr3+ . Assume pH of solution remains constant.

2.303RT / F = 0.06

(a) 1.285 V 

(b) 1.193 V 

(c) 1.187 V 

(d) None of these

1 Answer

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Best answer

Correct option: (c) 1.187 V

Explanation:

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