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What is the name given to an Aldol reaction between two different carbonyl compounds?


A) multiple Aldol reaction
B) crossed Aldol reaction
C) differential Aldol reaction
D) versatile Aldol reaction

E) A) and B)
F) All of the above

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In a Michael reaction, what is the name given to the ,-unsaturated carbonyl component?


A) Michael donor
B) Michael enolate
C) Michael nucleophile
D) Michael acceptor

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

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When is a crossed Claisen reaction between two different esters synthetically useful?


A) When only one of the esters has hydrogen atoms.
B) When both esters have hydrogen atoms.
C) When only one of the esters has hydrogen atoms.
D) When both esters lack hydrogen atoms.

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

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Which of the following statements about Aldol reactions with either aldehydes or ketones is true?


A) Equilibrium favors the products with aldehydes; equilibrium favors the starting materials with ketones.
B) Equilibrium favors the starting materials with aldehydes; equilibrium favors the products with ketones.
C) Equilibrium favors the products with both aldehydes and ketones.
D) Equilibrium favors the starting materials with both aldehydes and ketones.

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

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What is the product of the following Claisen reaction? What is the product of the following Claisen reaction?   A)  I B)  II C)  III D)  IV


A) I
B) II
C) III
D) IV

E) A) and B)
F) A) and C)

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