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What is the general name for the class of products formed in an Aldol condensation reaction?


A) b,g-Unsaturated carbonyl compound
B) a,b-Unsaturated carbonyl compound
C) a,g-Unsaturated carbonyl compound
D) b-Hydroxy carbonyl compound

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There are several variations of the Aldol reaction.Which of the following types of reactants leads to only one possible product with the Aldol condensation reaction?


A) Two different aldehydes with a-hydrogens are able to form a single aldol condensation product.
B) Two different ketones with a-hydrogens are able to form a single aldol condensation product.
C) Any aldehyde and ketone mixed together can react to form a single condensation product.
D) Any pair of aldehyde or ketone reactants where one of the reactants has no a-hydrogens will lead to a single aldol product.

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What are the names for the two parts of the mechanism in a Robinson annulation?


A) Michael addition and intramolecular Claisen reaction
B) Michael addition and intramolecular aldol reaction
C) Claisen reaction and intramolecular aldol reaction
D) Aldol reaction and intramolecular Claisen reaction

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Of the carbonyl compounds; (1) benzaldehyde,(2) acetophenone and (3) dicyclohexyl ketone,which compound has noa-hydrogens?


A) Benzaldehyde
B) Acetophenone
C) Acetone
D) All of these compounds contain a-hydrogens.

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Which of the following carbonyl compounds will undergo Aldol addition reactions when treated with aqueous sodium hydroxide? Which of the following carbonyl compounds will undergo Aldol addition reactions when treated with aqueous sodium hydroxide?   A) I B) II C) III D) None of the choices


A) I
B) II
C) III
D) None of the choices

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The following reaction is an example of what type of reaction? The following reaction is an example of what type of reaction?   A) Michael reaction B) Aldol self-condensation C) Dieckmann condensation D) Robinson annulation


A) Michael reaction
B) Aldol self-condensation
C) Dieckmann condensation
D) Robinson annulation

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What are the two starting materials for a Robinson annulation?


A) an a,b-Unsaturated carbonyl compound and an enolate
B) a b-Ketoester and an enolate
C) a 1,5-Dicarbonyl compound and an enolate
D) a 1,3-Dicarbonyl compound and an enolate

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What is an intramolecular Claisen reaction called?


A) Michael reaction
B) Robinson reaction
C) Hoffman reaction
D) Dieckmann reaction

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What is the name given to the Claisen reaction between two different esters?


A) Multiple Claisen reaction
B) Differential Claisen reaction
C) Crossed Claisen reaction
D) Versatile Claisen reaction

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In the correct order,what are the three steps in the mechanism of an Aldol reaction?


A) Protonation,enolate formation,nucleophilic addition
B) Enolate formation,protonation,nucleophilic addition
C) Enolate formation,nucleophilic addition,protonation
D) Nucleophilic addition,enolate formation,protonation

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What reaction type is a Claisen reaction?


A) Electrophilic addition
B) Electrophilic substitution
C) Nucleophilic addition
D) Nucleophilic substitution

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