Chemical BondingMolecular Geometry and Lone Pairs1Choose the best answerFor a regular geometry produced only by bond pairs around the central atom, which statement is necessarily true?AThe central atom has no lone pair causing distortionBThe species can never donate an electron pairCThe species must always be a Lewis acidDThe molecule must be ionic Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and Lone Pairs2Choose the best answerWhy is BCl₃ trigonal planar whereas PH₃ is trigonal pyramidal?ABCl₃ has three bond pairs and no lone pair on B, whereas PH₃ has three bond pairs and one lone pair on PBBCl₃ is ionic whereas PH₃ is covalentCPH₃ contains a double bondDBoron has a larger atomic radius than phosphorus Like 0 Discuss 0Share