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AS Chemistry Chemical Bonding Intermolecular Forces Past Paper Questions
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AS Chemistry | Chemical Bonding | Intermolecular Forces | Past Paper Questions • In this Lectures, Candidates should be able to: • 1 (a) describe hydrogen bonding, limited to molecules containing N–H and O–H groups, including ammonia and water as simple examples • (b) use the concept of hydrogen bonding to explain the anomalous properties of H2O (ice and water): • • its relatively high melting and boiling points • • its relatively high surface tension • • the density of the solid ice compared with the liquid water • 2 use the concept of electronegativity to explain bond polarity and dipole moments of molecules • 3 (a) describe van der Waals’ forces as the intermolecular forces between molecular entities other than those due to bond formation, and use the term van der Waals’ forces as a generic term to describe all intermolecular forces • (b) describe the types of van der Waals’ force: • • instantaneous dipole – induced dipole (id-id) force, also called London dispersion forces • • permanent dipole – permanent dipole (pd-pd) force, including hydrogen bonding • (c) describe hydrogen bonding and understand that hydrogen bonding is a special case of • permanent dipole – permanent dipole force between molecules where hydrogen is bonded to a highly • electronegative atom • 4 state that, in general, ionic, covalent and metallic bonding are stronger than intermolecular forces • Book a FREE demo class for Oct Nov 2022 session through the link below: https://docs.google.com/forms/d/e/1FA... • Visit our website for video courses and other resources: • https://megalecture.com/courses/ • • AS Chemistry: • AS Chemistry (New) • A2 Chemistry: • A2 Chemistry (New) • AS Physics: • AS Physics • A2 Physics: • A2 Physics • O level Physics: • O Level Physics • NET Physics: • NET Physics • AS Maths: • AS Mathematics • O level Maths: • O Level Mathematics • NET Maths: • NET Past Papers • AS Business: • Playlist • A2 Business: • Playlist • • AS Economics: • Playlist • A2 Economics: • Playlist • SAT Sample Papers: • SAT Mathematics Past Papers
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