JEE Main 2020ChemistryAminesMediumMCQ

JEE Main 2020 — Amines Question with Solution

JEE Main 2020 (06 Sep Shift 1)

Question

The increasing order of pKb values of the following compounds is :

  

Choose an option

Show full solutionCorrect option: B
Correct answer
BI<II<IV<III

Step-by-step explanation

   PKb∝1 Basic strength Kb
Kb∝+1,+M effect e- density)
Kb∝1-L-M effect 

Kb=1>2>4>3

PKb=1<2<4<3

  

 

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About this question

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