Chemical BondingElectronegativity Difference and Bond Type26Choose the best answerTwo elements have electronegativity values of 1.2 and 3.0. The bond between them is most likely:AIonicBCovalentCCoordinate covalentDMetallic Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Chemical Bonding#Dipole-Dipole Forces27Choose the best answerCO₂ and SO₂ both are triatomic molecules, but heat of vaporization of SO₂ is greater than that of CO₂ due to: (Sindh MDCAT 2020)AHigh electronegativity of SBGreater size of SO₂CSO₂ is polar and CO₂ is non-polarDSO₂ is more acidic than CO₂ Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Chemical Bonding#Intermolecular Forces in Molecular Crystals28Choose the best answerThe nature of attraction which holds molecular crystals is: (MDCAT 2023)AIonic bondBHydrogen bondCCovalent bondDVan der Waals force Like 0 Discuss 0Share
Chemical BondingElectronegativity and Bond Type29Choose the best answerIn the simplified electronegativity-difference scale, ΔEN ≈ 1.7 represents:AA completely non-polar bondBA 100% ionic bondCA 100% covalent bondDThe approximate boundary between polar covalent and ionic character Like 0 Discuss 0Share
Chemical BondingBond Angle and Lone-Pair Repulsion30Choose the best answerThe H–O–H bond angle in water is approximately:A90°B109.5°C180°D104.5° Like 0 Discuss 0Share