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JEE Main2017Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

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

Options

  1. AXeF 2 + PF 5 → XeF + PF 6 -
  2. BXeF 6 + H 2 O → XeOF 4 + 2 HF
  3. CXeF 6 + 2 H 2 O → XeO 2 F 2 + 4 HF
  4. DXeF 4 + O 2 F 2 → XeF 6 + O 2

Correct answer

D. XeF 4 + O 2 F 2 → XeF 6 + O 2

Step-by-step solution

Redox reaction: ↓   Se = Decrease ,   ↑ Se = Increase XeF 4 is oxidized while O 2 F 2 is reduced.

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