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The compound decanal contributes to the odor and flavor of an orange. Which of the statements concerning the structure of decanal is incorrect?


A) Decanal is an aldehyde.
B) Decanal contains a saturated chain of ten carbons.
C) Decanal contains a carbonyl group on the first carbon of the carbon chain.
D) Decanal is an aromatic compound.

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

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D

The compound below is classified as what type of compound? The compound below is classified as what type of compound? A) An acetal B) A hemiacetal C) An ether D) An acetal and an ether


A) An acetal
B) A hemiacetal
C) An ether
D) An acetal and an ether

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

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Aldehydes and ketones undergo addition reactions,which break one of the bonds in the carbon-oxygen double bond.

A) True
B) False

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True

Which reagent can be used to reduce a ketone?


A) K2Cr2O7
B) H2SO4
C) H2 with Pd metal
D) Ag2O in aqueous NH4OH

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

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The compound shown below belongs to what class of compounds? The compound shown below belongs to what class of compounds? A) Alkane B) Aldehyde C) Ketone D) Acetal E) Carboxylic acid


A) Alkane
B) Aldehyde
C) Ketone
D) Acetal
E) Carboxylic acid

F) C) and D)
G) A) and E)

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Aldehydes are identified by the suffix ________,and the carbon chain is numbered to place the carbonyl group as the ________ (first/last)carbon atom.

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Oxidation of the aldehyde below gives the indicated product. Oxidation of the aldehyde below gives the indicated product.

A) True
B) False

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Which compound is a hemiacetal?


A) Which compound is a hemiacetal? A) B) C) D) E)
B) Which compound is a hemiacetal? A) B) C) D) E)
C) Which compound is a hemiacetal? A) B) C) D) E)
D) Which compound is a hemiacetal? A) B) C) D) E)
E) Which compound is a hemiacetal? A) B) C) D) E)

F) C) and D)
G) A) and D)

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Aldehydes and ketones undergo addition reactions with alcohols (ROH)to form hemiacetals and acetals.

A) True
B) False

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What is the structure of 2-ethyl-4-methyloctanal?


A) What is the structure of 2-ethyl-4-methyloctanal? A) B) C) D)
B) What is the structure of 2-ethyl-4-methyloctanal? A) B) C) D)
C) What is the structure of 2-ethyl-4-methyloctanal? A) B) C) D)
D) What is the structure of 2-ethyl-4-methyloctanal? A) B) C) D)

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

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Which of the following is the product of the reduction of acetone,shown below? Which of the following is the product of the reduction of acetone,shown below? A) B) C) D)


A) Which of the following is the product of the reduction of acetone,shown below? A) B) C) D)
B) Which of the following is the product of the reduction of acetone,shown below? A) B) C) D)
C) Which of the following is the product of the reduction of acetone,shown below? A) B) C) D)
D) Which of the following is the product of the reduction of acetone,shown below? A) B) C) D)

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

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What product is formed when the compound below is oxidized with K2Cr2O7? What product is formed when the compound below is oxidized with K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>? A) B) C) D) No reaction occurs.


A) What product is formed when the compound below is oxidized with K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>? A) B) C) D) No reaction occurs.
B) What product is formed when the compound below is oxidized with K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>? A) B) C) D) No reaction occurs.
C) What product is formed when the compound below is oxidized with K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>? A) B) C) D) No reaction occurs.
D) No reaction occurs.

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

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What hemiacetal is formed in the reaction below? What hemiacetal is formed in the reaction below? A) B) C) D)


A) What hemiacetal is formed in the reaction below? A) B) C) D)
B) What hemiacetal is formed in the reaction below? A) B) C) D)
C) What hemiacetal is formed in the reaction below? A) B) C) D)
D) What hemiacetal is formed in the reaction below? A) B) C) D)

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

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B

Which is the structure of 3-bromo-2-methylbutanal?


A) Which is the structure of 3-bromo-2-methylbutanal? A) B) C) D)
B) Which is the structure of 3-bromo-2-methylbutanal? A) B) C) D)
C) Which is the structure of 3-bromo-2-methylbutanal? A) B) C) D)
D) Which is the structure of 3-bromo-2-methylbutanal? A) B) C) D)

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

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A student incorrectly names a compound as 4-propyl-2,4-dimethyl-2-chloro-1-pentanone. The correct IUPAC name of this compound is ________.

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2-chloro-2...

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The IUPAC name of the molecule below is 3-ethoxy-3-propoxy-7-heptanal. The IUPAC name of the molecule below is 3-ethoxy-3-propoxy-7-heptanal.

A) True
B) False

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What product results when cinnamaldehyde is reduced with excess H2 in the presence of a Pd catalyst? What product results when cinnamaldehyde is reduced with excess H<sub>2</sub> in the presence of a Pd catalyst? A) B) C) D)


A) What product results when cinnamaldehyde is reduced with excess H<sub>2</sub> in the presence of a Pd catalyst? A) B) C) D)
B) What product results when cinnamaldehyde is reduced with excess H<sub>2</sub> in the presence of a Pd catalyst? A) B) C) D)
C) What product results when cinnamaldehyde is reduced with excess H<sub>2</sub> in the presence of a Pd catalyst? A) B) C) D)
D) What product results when cinnamaldehyde is reduced with excess H<sub>2</sub> in the presence of a Pd catalyst? A) B) C) D)

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

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What products are formed when the acetal below is hydrolyzed with water and sulfuric acid? What products are formed when the acetal below is hydrolyzed with water and sulfuric acid? A) B) C) HOCH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> + 2 CH<sub>3</sub>OH D)


A) What products are formed when the acetal below is hydrolyzed with water and sulfuric acid? A) B) C) HOCH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> + 2 CH<sub>3</sub>OH D)
B) What products are formed when the acetal below is hydrolyzed with water and sulfuric acid? A) B) C) HOCH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> + 2 CH<sub>3</sub>OH D)
C) HOCH2CH2CH2CH2CH3 + 2 CH3OH
D) What products are formed when the acetal below is hydrolyzed with water and sulfuric acid? A) B) C) HOCH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> + 2 CH<sub>3</sub>OH D)

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

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When 3-heptanone is treated with 2 equivalents of 1-butanol in the presence of sulfuric acid,the product is the compound shown below. When 3-heptanone is treated with 2 equivalents of 1-butanol in the presence of sulfuric acid,the product is the compound shown below.

A) True
B) False

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All compounds that react with the Tollens reagent react with K2Cr2O7,but not all compounds that react with K2Cr2O7 react with the Tollens reagent.

A) True
B) False

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