JEE Main 2023 — Hydrogen Question with Solution
JEE Main 2023 (31 Jan Shift 1)
Question
Choose an option
Show full solutionCorrect option: A
Step-by-step explanation

Here, the act as the reducing agent, as the has +1 oxidation state of in and after reaction with the , in the presence of the acid, it reduces the in to having -1 oxidation state.
So, as oxidation state decreases from the +1 to -1 oxidation state, hence the is acting as the reducing agent.
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This is a previous-year question from JEE Main 2023, 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.