JEE Main 2020ChemistryAldehydes and KetonesHardNumerical

JEE Main 2020Aldehydes and Ketones Question with Solution

JEE Main 2020 (09 Jan Shift 2)

Question

Consider the following reactions AiCH3MBr(ii)H3O+BCu573K2-methyl-2-butene . The mass percentage of carbon in A is _____________.

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Show full solutionCorrect answer: 66.67
Correct answer
66.67

Step-by-step explanation


Compound A is
Percentage carbon in compound A= 12×448+16+8×100=66.67

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About this question

This is a previous-year question from JEE Main 2020, covering the Aldehydes and Ketones 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.