JEE Main 2021 — Hydrogen Question with Solution
JEE Main 2021 (31 Aug Shift 2)
Question
Which one of the following statements is incorrect ?
Choose an option
Show full solutionCorrect option: B
Correct answer
BAt around the dissociation of dihydrogen into its atoms is nearly
Step-by-step explanation
Atomic hydrogen is produced at high temperature in an electric arc or under ultraviolet radiations. The dissociation of dihydrogen at 2000 K is only 0.081%. H–H bond dissociation enthalpy is highest for a single bond for any diatomic molecule. Dihydrogen can be produced on reacting Zn with dil. HCl as well as NaOH (aq.).
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This is a previous-year question from JEE Main 2021, covering the Hydrogen 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.