JEE Main 2020 — Some Basic Concepts Of Chemistry Question with Solution
From: JEE Main 2020 (Online) 4th September Evening Slot
Question
Consider the following equations :
2Fe2+ + H2O2 xA + yB
(in basic medium)
2MnO4- + 6H+ + 5H2O2 x'C + y'D + z'E
(in acidic medium)
The sum of the stoichiometric coefficients x, y, x', y', and z' for products A, B, C, D and E, respectively, is ______.
2Fe2+ + H2O2 xA + yB
(in basic medium)
2MnO4- + 6H+ + 5H2O2 x'C + y'D + z'E
(in acidic medium)
The sum of the stoichiometric coefficients x, y, x', y', and z' for products A, B, C, D and E, respectively, is ______.
Enter your answer
Show full solutionCorrect answer: 19
Correct answer
19
Step-by-step explanation
2Fe2+ + H2O2 2Fe3+ + 2OH–
2MnO4- + 6H+ + 5H2O2 2Mn2+ + 8H2O + 5O2
x + y + x' + y' + z' = 19
2MnO4- + 6H+ + 5H2O2 2Mn2+ + 8H2O + 5O2
x + y + x' + y' + z' = 19
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