Chemistry - CHEMICAL BONDING Question with Solution | TestHub
ChemistryCHEMICAL BONDINGBack bonding, Bridge bonding & odd electron moleculesMedium2 minQB
ChemistryMediuminteger
Use the OLD formal pπ–dπ teaching label for a donor O attached by a formal multiple bond to a third-period centre; do not infer literal d participation. Count qualifying entries: SO₂, SO₂Cl₂, POCl₃, B(OH)₃, CO₂, NO₃⁻.
Answer:
3
Solution:
SO₂, SO₂Cl₂ and POCl₃ receive the historical S=O/P=O label. B, C, N are second-period centres. Count 3; modern descriptions do not require that old orbital picture.
Stream:JEESubject:ChemistryTopic:CHEMICAL BONDINGSubtopic:Back bonding, Bridge bonding & odd electron molecules
⏱ 2mℹ️ Source: QB
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