Which of the following reactions is an example of a redox reaction?

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Which of the following reactions is an example of a redox reaction?

Chemistryp Block Elements (Group 15, 16, 17 & 18)JEE MainJEE Main 2017 (02 Apr)

Options:

A ${XeF}_{2} + {PF}_{5} \to {[XeF]}^{+} {PF}_{6}^{-}$
B ${XeF}_{6} + H_{2} O \to {XeOF}_{4} + 2 HF$
C ${XeF}_{6} + 2 H_{2} O \to {XeO}_{2} F_{2} + 4 HF$
D ${XeF}_{4} + O_{2} F_{2} \to {XeF}_{6} + O_{2}$

Solution:

1724 Upvotes Verified Answer

The correct answer is:

{XeF}_{4} + O_{2} F_{2} \to {XeF}_{6} + O_{2}

Redox reaction: $↓ Se = Decrease, ↑ Se = Increase$

${XeF}_{4}$ is oxidized while $O_{2} F_{2}$ is reduced.

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