feb_01 - 2/1/2010 Choose the most reactive alkene in the...

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2/1/2010 1 HB r + H Br A Choose the most reactive alkene in the following reaction. E act B r + H Br B energy Choose the most reactive alkene in the following reaction. r + A H H E act B H Br Br + r + B H energy E act A H Br Br + A second product is formed in this reaction. H Br r + -78 °C 90 % + H Br 10 % Br + ? H H Br Br Br Br Br Br A BCDEF What is the structure of the second product of this reaction? Why does the ratio of these products change when the reaction is performed at higher temperature? r + + H Br H Br -78 °C 90 % 10 % r + + H Br H Br 40 °C 15% 85% Why does the ratio of these products change when the reaction is performed at higher temperature? r + + H Br H Br -78 °C 90 % 10 % r + + H Br H Br 40 °C 15% 85% + H Br H Br 15% 85% + H Br H Br 15% 85% 40 °C H Br pure 40 °C H Br pure H Br Which of the two alkene products, A or B, is more stable? r + + H H H Br -78° 90% 10% 40° 15% 85% Which of the two alkene products is formed at a faster rate? A B thermodynamic control kinetic control 90% 10% H Br H Br progress of reaction energy
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2/1/2010 2 Predict the major kinetic product of the following reaction.
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feb_01 - 2/1/2010 Choose the most reactive alkene in the...

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