Chemistry - CHEMICAL BONDING Question with Solution | TestHub
ChemistryCHEMICAL BONDINGIntroduction, ValencyEasy2 minQB
ChemistryEasymultiple choice
Which proposals are incompatible with the elementary octet limitation for a SECOND-PERIOD central atom? Treat each as a neutral molecule with all listed single bonds and no multicentre reinterpretation.
Options:(select one or more)
Answer:
A, B, D
Solution:
A puts12 bonding electrons around carbon; B puts10 around nitrogen; D puts8 bonding plus4 lone-pair electrons around oxygen. Those constructions exceed the stated octet limitation. BF₃ has six electrons around boron and is a normal electron-deficient molecule.
Stream:JEESubject:ChemistryTopic:CHEMICAL BONDINGSubtopic:Introduction, Valency
⏱ 2mℹ️ Source: QB
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