Question

Which of the following reactions is an example of redox reaction?
(a) XeF4 + O2F2 → XeF6 + O2
(b) XeF2 + PF5 → [XeF]+ [PF6]–
(c) XeF6 + H2O → XeOF4 + 2HF
(d) XeF6 + 2H2O → Xeo2F2 + 2HF

Answer 1

Answer:

a) XeF4+ O2F2 --> XeF6 + O2

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Answer 2

$XeF_{4} +O_{2} F_{2}$ → $XeF_{6} +O_{2}$ is the correct answer. (Option a)

• Redox reactions are chemical reactions where the oxidation states of the reactants change. The term 'redox' implies a reduction-oxidation process. All redox reactions can be divided into two types of reactions: reduction and oxidation.
• The redox reaction, also known as the Oxidation-Reduction reaction, always involves simultaneous oxidation and reduction events. The oxidising agent is the substance that is reduced in a chemical process, while the reducing agent is the substance that is oxidised.
• In this chemical equation Xenon (Xe) is oxidised and Oxygen (O2) is reduced.
• In the above-given chemical equation, the oxidation number of Xe increases from +4 to +4 and the oxidation number of oxygen decreases from +1 to 0. Therefore, this equation is an example of a redox reaction.

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