JEE Main 2017 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 2 April 2017 (offline), Chemistry Q43

Question 43 of 90 in this shift, Chemistry question 13 of 30.

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

(1) $\mathrm{XeF_6+H_2O\rightarrow XeOF_4+2HF}$
(2) $\mathrm{XeF_6+2H_2O\rightarrow XeO_2F_2+4HF}$
(3) $\mathrm{XeF_4+O_2F_2\rightarrow XeF_6+O_2}$ Official answer
(4) $\mathrm{XeF_2+PF_5\rightarrow [XeF]^+PF_6^-}$

Official answer

Option 3

CBSE answer key (25/04/2017, used for result).

Chapter: The p-Block Elements
Topic: Redox Reactions
Idea tested: Identifying Non-Redox Reactions

Same topic in other shifts

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Question text from the official JEE Main paper published by NTA (CBSE ran the 2017 exam); answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.