JEE Main 2023Chemistryp Block Elements (Group 13 & 14)HardMCQ

JEE Main 2023 — p Block Elements (Group 13 & 14) Question with Solution

JEE Main 2023 (06 Apr Shift 2)

Question

Structures of BeCl2 in solid state, vapour phase and at very high temperature respectively are:

Choose an option

Show full solutionCorrect option: D
Correct answer
DPolymeric, Dimeric, Monomeric

Step-by-step explanation

BeCl2 is dimeric in vapour phase. The coordination number of beryllium is 3.

BeCl2 is monomeric at high temperature. The coordination number of beryllium is 2.

BeCl2 is polymeric in solid state. The coordination number of beryllium is 4.

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About this question

This is a previous-year question from JEE Main 2023, covering the p Block Elements (Group 13 & 14) 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.