March 14, 1997

Chem 209

Quiz #6

51. Which of the following IS NOT a reason for the great variety of organic molecules?

A) Catenation by carbon

B) Carbon atoms can form more than four bonds

C) Isomerism

D) Carbon forms bonds with a variety of elements, such as H, O, N, Cl, Br

52. Compounds that have ring structures that contain atoms other than carbon are called

A) aromatic compounds B) heterocyclic compounds

C) heterogeneous compounds D) perfluoro compounds

53. Many of the flavors isolated from foods are

A) carboxylic acids B) esters C) alcohols D) ketones

54. The general formula for a carboxylic acid is

A) ROR' B) RCOOH C) RCOR' D) RCOOR'

55. The simplest aldehyde is

A) acetaldehyde B) formaldehyde C) methaldehyde D) unaldehyde

56. The compound below is commonly known as

A) acetone B) acetaldehyde C) benzaldehyde D) formaldehyde

57. Aldehydes and ketones share a common functional group. The group is the

A) hydroxyl group B) phenol group C) ether group D) carbonyl group

58. Compounds with a hydroxyl group attached directly to a benzene ring are called

A) alcohols B) aromatic hydrocarbons C) ethers D) phenols

59. What class of compounds has been used as blood extenders?

A) alkanes B) aromatic hydrocarbons C) perfluorocarbons D) ketones

60.  A hydrocarbon with six carbon atoms containing one ring and a double bond will have the formula:

A) C₆H₁₆ B) C₆H₁₄ C) C₆H₁₂ D) C₆H₁₀ E) C₆H₈

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