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A-LevelChemistryElectrochemistry9701/12 · Feb/Mar 2020 · Q101 Mark

When the equation is correctly balanced, what is the value of c? aC2H4 + bH2O + cH+ + 2MnO4- → dC2H6O2 + eMn2+

A3
B4
C5
D6

✓ Correct answer

D: 6

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About this question

Topic
Electrochemistry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Feb/Mar 2020 Paper 1 Variant 2, question 10.

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