Chemical BondingOctet Rule and Exceptions131Choose the best answerWhich molecule does NOT obey the octet rule around its central atom?ANH₃BHClCAlCl₃DCCl₄ Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and VSEPR Theory132Choose the best answerHeavy water, D₂O, contains two bond pairs and two lone pairs around oxygen. Its molecular shape is:ATrigonal planarBTrigonal pyramidalCBentDSquare planar Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Chemical Bonding#Sigma and Pi Bonds133Choose the best answerIn HC≡C–CH=CH₂, what are the hybridizations of the two carbon atoms forming the central C–C single bond?Asp³–sp³Bsp²–spCsp–spDsp³–sp Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and Planarity134Choose the best answerWhich molecule is not planar?ABenzeneBPCl₃CEtheneDBF₃ Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Chemical Bonding#Sigma and Pi Bonds135Choose the best answerσ bonds are formed by: (IBA MDCAT Reconduct 2024)ALinear overlappingBSidewise overlappingCLateral overlappingDParallel overlapping Like 1 Discuss 0Share