JEE Main 2022 — d and f Block Elements Question with Solution
JEE Main 2022 (28 Jun Shift 1)
Question
Dihydrogen reacts with to give
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Copper oxide undergoes reduction to form elemental copper and water. This is a redox reaction. Since oxygen is removed from the it is undergoing reduction. And hydrogen is getting oxidised.
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the d and f 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 2022, covering the d and f 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.