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07/12/2021 11:00 am
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Standard electrode potentials of redox couples A2+/A, B2+/B, C2+/C and D2+/D are 0.3V, -0.5V, -0.75V and 0.9V respectively. Which of these is best oxidising agent and reducing agent respectively?
(a) D2+/D and B2+/B
(b) B2+/B and D2+/D
(c) D2+/D and C2+/C
(d) C2+/C and D2+/D
1 Answer
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07/12/2021 11:01 am
Correct answer: (c) D2+/D and C2+/C
Explanation:
The redox couple with maximum reduction potential will be best oxidising agent and with minimum reduction potential will be best reducing agent.