1.

For the following reactions the major products are shown: H_(2)C=CH-CH=CH_(2) overset(HBr)underset(0^(@)C) to H_(2)C =CH-underset(Br)underset(|)(CH)-CH_(3)-overset(+25^(@)C) to underset(Br)underset(|)(CH_(2))CH=CHCH_(3) These provide an example of overset(1)(_) control at low temperature and overset(2)(_) control at higher temperature.

Answer»

`{:(1,2),("KINETIC","thermodynamic"):}`
`{:(1,2),("thermodynamic","kinetic"):}`
`{:("kinetic","kinetic"):}`
`{:("thermodynamic","thermodynamic"):}`

SOLUTION :Low TEMPERATURE kinetic control HIGH temperature thermodynamic control.


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