Chemical BondingBond Angle and Lone-Pair Repulsion56Choose the best answerThe H–O–H bond angle in water is approximately:A90°B109.5°C180°D104.5° Like 0 Discuss 0Share
Chemical BondingBond Energy57Choose the best answerWhich statement about bond energy is correct?ASi–Si is stronger than C–CBN–N single bond is stronger than N≡NCN≡N has much greater bond energy than F–FDF–F has greater bond energy than N≡N Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and Bond Angle58Choose the best answerThe shape and bond angle of BF₃ are:ATrigonal pyramidal, 107°BTetrahedral, 109.5°CTrigonal planar, 120°DTrigonal pyramidal, 120° Like 0 Discuss 0Share
Chemical BondingBond Polarity59Choose the best answerThe increasing order of bond polarity is:AC–F < C–Cl < C–Br < C–IBC–I < C–Br < C–Cl < C–FCC–Br < C–I < C–Cl < C–FDC–I < C–Br < C–F < C–Cl Like 0 Discuss 0Share
Chemical BondingPolar Covalent Bond60Choose the best answerThe H–F bond is best classified as:APolar covalentBNon-polar covalentCπ bondDCoordinate covalent Like 0 Discuss 0Share