JEE Main 2019ChemistrySome Basic Concepts of ChemistryEasyMCQ

JEE Main 2019 — Some Basic Concepts of Chemistry Question with Solution

JEE Main 2019 (08 Apr Shift 2)

Question

The percentage composition of carbon by mole in methane is:

Choose an option

Show full solutionCorrect option: B
Correct answer
B20 %

Step-by-step explanation

Chemical Formula of Methane is CH4.

The mole percentage of carbon =moles of  carbon  Total  moles in Methane×100

=11+4×100

=20%

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About this question

This is a previous-year question from JEE Main 2019, covering the Some Basic Concepts of Chemistry 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.