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Question: Answered & Verified by Expert
Consider the following reaction:
x MnO4-+y C2O42-+zH+x Mn2++2y CO2+z2H2O 
The values of x, y and z in the reaction are, respectively:
ChemistryRedox ReactionsJEE MainJEE Main 2013 (07 Apr)
Options:
  • A 2,5 and 16
  • B 5,2 and 8
  • C 5,2 and 16
  • D 2,5 and 8
Solution:
2519 Upvotes Verified Answer
The correct answer is: 2,5 and 16
C 2 O 4 2 - 2 CO 2 + 2 e - ] × 5 MnO 4 - + 8 H + + 5 e- Mn 2 + + 4 H 2 O ] × 2
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2 MnO 4 - + 1 6 H + + 5 C 2 O 4 2 - 1 0 CO 2 + 2 Mn 2 + + 8 H 2 O

MnO 4 - x = 2

C 2 O 4 2 - y = 5

H + z = 1 6

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