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What is the EMF of a galvanic cell if the standard oxidation potential of the oxidation half-reaction is 0.64 volts and the standard reduction potential of the reduction half-reaction is 0.48 volts?(a) 1.48 volts(b) 1.12 volts(c) 1.36 volts(d) 0.96 voltsI had been asked this question in examination.This key question is from Electrochemistry topic in chapter Electrochemistry of Chemistry – Class 12 |
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Answer» CORRECT choice is (B) 1.12 volts The best explanation: Given, Standard OXIDATION POTENTIAL of the oxidation half REACTION = 0.64 volts Standard reduction potential of the reduction half reaction = 0.48 volts Standard EMF of the cell = [Standard oxidation potential of the oxidation half reaction] + [Standard reduction potential of the reduction half reaction] = 0.64 + 0.48 = 1.12 volts. |
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