JEE Main 2020ChemistryGeneral Organic ChemistryHardMCQ

JEE Main 2020 — General Organic Chemistry Question with Solution

JEE Main 2020 (07 Jan Shift 1)

Question

The increasing order of pKb for the following compounds will be :

Choose an option

Show full solutionCorrect option: D
Correct answer
DB<A<C

Step-by-step explanation

Compound ‘’B’’ represents Guanidine, the conjugate acid of which is resonance stabilised. Compound "C" is aliphatic amine, here the ‘N’ is sp3 whereas in compound ''A" the ''N'' is sp2 .

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About this question

This is a previous-year question from JEE Main 2020, covering the General Organic 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.