Chemistry - GOC Question with Solution | TestHub

ChemistryGOCRESONANCE AND MESOMERIC EFFECTMedium2 minQB
ChemistryMediumsingle choice

Write the number of resonance contributors (including the hybrid-forming structures) of BCl₃ : the neutral structure and the structures with B=Cl double bond character.

structure

Options:

Answer:
C
Solution:

Boron has only six electrons in BCl₃. Each Cl lone pair can form a B=Cl double bond (B⁻, Cl⁺). That gives 3 charge-separated forms plus the neutral form = 4.

Stream:JEESubject:ChemistryTopic:GOCSubtopic:RESONANCE AND MESOMERIC EFFECT
⏱ 2mℹ️ Source: QB

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