JEE Main 2023ChemistryHydrogenEasyMCQ

JEE Main 2023 — Hydrogen Question with Solution

JEE Main 2023 (01 Feb Shift 1)

Question

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R 

Assertion A: Hydrogen is an environment friendly fuel.

Reason R: Atomic number of hydrogen is 1 and it is a very light element.
In the light of the above statements, choose the correct answer from the options given below

Choose an option

Show full solutionCorrect option: B
Correct answer
BBoth A and R are true but R is NOT the correct explanation of  A

Step-by-step explanation

No pollution occurs by combustion of hydrogen and it has very low density.
Combustion of hydrogen produces water by the following reaction:
2H2(g) + O2(g) →  2 H2O(g)

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About this question

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.