SAS 7 Organic Chem quiz

Which of the following is the general formula for an ether?

• R - OH

• R - O - R

• R - SH

• R - COOH

What is the IUPAC name for the compound with the following structure?

CH3 - O - CH2CH3

• Methoxyethane

• Ethoxymethane

• Methylethyl ether

• Dimethyl ether

Which of the following functional groups is found in a thiol?

• • - OH

• • - SH

• • - COOH

• • - NH2

What is the common name for CH3CH2SH ?

• • Methyl mercaptan

• • Ethyl thiol

• • Ethyl mercaptan

• • Methyl thiol

Thiols are known for their characteristic smell. Which of the following best describes the typical odor of thiols?

• • Fruity

• • Fishy

• • Rotten eggs

• • Floral

What is the general structure of a thioester?

• • R - S - R

• • R - CO- S - R

• • R - SH

• • R - COO - R

Which of the following is true about ethers?

• • Ethers are highly polar and soluble in water.

• • Ethers are generally unreactive and good solvents.

• • Ethers contain a sulfur atom in their structure.

• • Ethers easily undergo oxidation.

 Which of the following reactions is used to prepare ethers?

• • Dehydration of alcohols

• • Oxidation of thiols

• • Hydrolysis of esters

• • Reduction of carbonyl compounds

What is the main difference between ethers and thioethers?

• •  Ethers contain oxygen, while thioethers contain sulfur.

• • Ethers contain sulfur, while thioethers contain oxygen.

• •  Ethers are more reactive than thioethers.

• • Ethers are less soluble in water than thioethers.

What is the correct IUPAC name for the compound CH3CH2CH2SH ?

• Methanethiol

• Propanethiol

• Butanethiol

• Ethanethiol