SINDH MDCAT 2019 CHEMISTRY#Chemical Bonding#Hydrogen Bonding86Choose the best answerHydrogen bonds are represented by: (Sindh MDCAT 2019)Adative bondsBfull bondCpartial chargesDdotted bonds Like 0 Discuss 0Share
Chemical BondingUnpaired Electrons87Choose the best answerThe number of unpaired electrons in NH₃ is:A0B1C3D4 Like 0 Discuss 0Share
Chemical Bondingsp² Hybridization88Choose the best answerIn sp² hybridization, the remaining unhybridized p orbital is:AParallel to all sp² orbitalsBIn the same trigonal planeCPerpendicular to the plane of the sp² orbitalsDConverted into an s orbital Like 0 Discuss 0Share
Chemical BondingElectronegativity and Non-Polar Covalent Bonding89Choose the best answerA perfectly non-polar covalent bond is expected when the electronegativity difference is:A1.7BGreater than 1.7CBetween 0.5 and 1.7DZero Like 0 Discuss 0Share
Chemical BondingDipole Moment and Molecular Polarity90Choose the best answerWhich molecule has zero dipole moment?ACH₄BNH₃CHFDH₂O Like 0 Discuss 0Share