3.3.6.3 0.6 Use infrared spectra and Students use relevant data to June 2012 Spectra database Infrared spectroscopy. the Chemistry Data Sheet determine the bonds and functional Unit 2 Q8bii to identify particular bonds, groups from IR spectra. Use infrared and functional groups, and June 2011 Spectraschool: absorptions to identify also to identify impurities. Unit 2 Q6e functional groups. January 2012 Know how the Unit 2 Q10 region can “fingerprint” be used. June 2009 Unit 2 Q9 The role of infrared absorption by molecule January 2010 in global warming. Unit 2 Q9b 3.3.1.2 0.2 Outline mechanisms by Students revise the five January 2013 RSC mechanisms resource: Reaction mechanisms. weeks drawing the structures of mechanisms: free radical Unit 2 Q7 and 8 the species involved and substitution, electrophilic addition, Mechanism Inspector: The formation of a curly arrows to represent nucleophilic substitution and January 2011 covalent bond is shown the movement of electron elimination (halogenoalkane) and Unit 2 Q7 and 8 by a curly arrow that pairs. elimination (alcohol). starts from a lone electron pair or from another covalent bond. The breaking of a covalent bond is shown by a curly arrow starting from the bond.
3.3.6.3 Infrared spectroscopy. Use infrared absorptions to identify functional groups. Know how the “fingerprint” region can be used. The role of infrared absorption by molecule in global warming. 0.6 Use infrared spectra and the Chemistry Data Sheet to identify particular bonds, and functional groups, and also to identify impurities. Students use relevant data to determine the bonds and functional groups from IR spectra. June 2012 Unit 2 Q8bii June 2011 Unit 2 Q6e January 2012 Unit 2 Q10 June 2009 Unit 2 Q9 January 2010 Unit 2 Q9b Spectra database Spectraschool: 3.3.1.2 Reaction mechanisms. The formation of a covalent bond is shown by a curly arrow that starts from a lone electron pair or from another covalent bond. The breaking of a covalent bond is shown by a curly arrow starting from the bond. 0.2 weeks Outline mechanisms by drawing the structures of the species involved and curly arrows to represent the movement of electron pairs. Students revise the five mechanisms: free radical substitution, electrophilic addition, nucleophilic substitution and elimination (halogenoalkane) and elimination (alcohol). January 2013 Unit 2 Q7 and 8 January 2011 Unit 2 Q7 and 8 RSC mechanisms resource: Mechanism Inspector:
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