JEE Main 2021 — Ionic Equilibrium Question with Solution
From: JEE Main 2021 (Online) 17th March Morning Shift
Question
Which of the following compound CANNOT act as a Lewis base?
Choose an option
Show full solutionCorrect option: D
Correct answer
DPCl5
Step-by-step explanation
NF3 has no vacant orbital neither in nitrogen nor in fluorine so it cannot
accept the electron & hence cannot acts as lewis acid and but for PCl5 P has
no L.P & hence it cannot acts as base but ClF3 (3 B.P + 2 L.P) & SF4 (4 B.P +
1 L.P)
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This is a previous-year question from JEE Main 2021, covering the Ionic Equilibrium 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.