JEE Main 2020ChemistryChemistry in Everyday LifeMediumNumerical

JEE Main 2020 — Chemistry in Everyday Life Question with Solution

JEE Main 2020 (09 Jan Shift 1)

Question

The mass percentage of nitrogen in histamine is ________

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Show full solutionCorrect answer: 37.8
Correct answer
37.8

Step-by-step explanation

Structure of Histamine is
Molecular formula of Histamine is C5HgN3
Molecular mass of Histamine is 111
Percentage nitrogen by mass in Histamine =42111×100=37.84% .

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About this question

This is a previous-year question from JEE Main 2020, covering the Chemistry in Everyday Life 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.