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Which of the following statements about kinetic vs. thermodynamic products is true?


A) The product that is formed faster is the thermodynamic product.
B) The kinetic product predominates at low temperature.
C) The product that predominates at equilibrium is the kinetic product.
D) The thermodynamic product is less stable.

E) C) and D)
F) B) and C)

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Why would the compound below not react with a dienophile in a Diels-Alder reaction? Why would the compound below not react with a dienophile in a Diels-Alder reaction?   A)  The compound is not a conjugated diene. B)  There are no electron withdrawing groups on the compound. C)  There are no electron donating groups on the compound. D)  The compound can not adopt the s-cis conformation.


A) The compound is not a conjugated diene.
B) There are no electron withdrawing groups on the compound.
C) There are no electron donating groups on the compound.
D) The compound can not adopt the s-cis conformation.

E) C) and D)
F) None of the above

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Which of the following is the appropriate term for the mechanism of the addition of HBr to 1,3-dienes?


A) Nucleophilic addition
B) Electrophilic addition
C) Free radical addition
D) Conjugate addition

E) None of the above
F) A) and B)

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How would you favor the formation of the kinetic product of the following reaction? How would you favor the formation of the kinetic product of the following reaction?   A)  Excess HBr B)  Long reaction time C)  Low temperature D)  High pressure


A) Excess HBr
B) Long reaction time
C) Low temperature
D) High pressure

E) B) and D)
F) C) and D)

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