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Unformatted text preview: to the resonance hybrid. N + N N N 3. ( 9 marks ) Write the structures of the two species formed in the reaction and draw two curved arrows to represent the electron flow in the reaction. (a). CH 3 CH 2 + AlCl 4-(b). Cl Al Cl Cl Cl 4. ( 16 marks ) 2-methylhexane (a). H CH 2 CH 3 H H H CH(CH 3 ) 2 4 3 (b). H CH(CH 3 ) 2 H CH 2 CH 3 H H (c). 1 3 5 H H CH 3 CH 2 CH 3 H O HO Calculation of strain energy: -Et group axial, -Me and -COOH groups equatorial 2 x -Et -H 1,3-diaxial interactions = 2 x 4.0 kJ/mol = 8.0 kJ/mol For Markers Only: Question MC/20 Q1/12 Q2/13 Q3/9 Q4/16 Total/70 Mark...
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- Spring '10
- Organic chemistry