How many electrons are involved in the following redox reaction?

Question:

How many electrons are involved in the following redox reaction?

$\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}+\mathrm{Fe}^{2+}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-} \rightarrow \mathrm{Cr}^{3+}+\mathrm{Fe}^{3+}+\mathrm{CO}_{2}$ (Unbalanced)

  1. 3

  2. 4

  3. 5

  4. 6


Correct Option: , 4

Solution:

Solution Not Required

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