JEE Main 2018 — s Block Elements Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
In , the nature of oxygen species and the oxidation state of oxygen atom are, respectively:
Choose an option
Show full solutionCorrect option: B
Correct answer
BSuperoxide and
Step-by-step explanation
In , the nature of oxygen species and the oxidation state of oxygen atom are superoxide (superoxide ion is ) and respectively.
Let be oxidation state of oxygen. The oxidation state of is . Hence
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the s Block Elements chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2018, covering the s Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.