7. Consider 2,2-dimethylbutane. Sighting along the C2 - Cz bond: a) Draw a Newman projection of the most stable conforma

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7 Consider 2 2 Dimethylbutane Sighting Along The C2 Cz Bond A Draw A Newman Projection Of The Most Stable Conforma 1 (256.07 KiB) Viewed 72 times

7. Consider 2,2-dimethylbutane. Sighting along the C2 - Cz bond: a) Draw a Newman projection of the most stable conformation. (1 mark) b) Draw a Newman projection of the least stable conformation. (1 mark) c) Construct a quantitative plot of energy versus rotation about the C2 - C; bond. Label the energy of each rotation. (5 marks) (Given: CH3 CH3 eclipsing interaction: 11 kJ/mol, CH3 → CH3 gauche interaction: 3.8 kJ/mol CH3 <> H eclipsing interaction: 6.0 kJ/mol, HH eclipsing interaction: 4.0 kJ/mol) d) Given that 2,2-dimethylbutane is reacted with chlorine under sunlight. (i) Suggest the type of organic reaction. (1 mark) (ii) Draw two structures of the products which could majorly be generated by the first round of reaction. Briefly explain your suggestion. (4 marks)