ATDH Organic Chemistry Fundamentals

Question 1

Which functional group is characteristic of an alcohol?

Accepted Answer

Hydroxyl (-OH)

Answer

Carboxyl (-COOH)

Answer

Amino (-NH2)

Answer

Carbonyl (C=O)

Question 2

What is the general molecular formula for alkanes?

Accepted Answer

CnH2n+2

Answer

CnH2n

Answer

CnH2n-2

Answer

CnHn

Question 3

Which of the following compounds is an ester?

Accepted Answer

CH3COOCH3

Answer

CH3COOH

Answer

CH3OH

Answer

CH3NH2

Question 4

Stereoisomers have the same molecular formula and connectivity but differ in:

Accepted Answer

The spatial arrangement of atoms

Answer

The number of carbon atoms

Answer

The types of functional groups present

Answer

The molecular weight

Question 5

In an addition reaction involving an alkene, which bond is broken to allow new groups to add?

Accepted Answer

C=C pi (double) bond

Answer

Single C-C sigma bond

Answer

C-H bond

Answer

C-O bond

Question 6

Which class of organic compounds contains a carbonyl group (C=O) with at least one hydrogen directly bonded to the carbonyl carbon?

Accepted Answer

Aldehydes

Answer

Ketones

Answer

Carboxylic acids

Answer

Esters

Question 7

What is the IUPAC name for the compound CH3CH2CH2OH?

Accepted Answer

1-Propanol

Answer

Propanol

Answer

Ethanol

Answer

1-Butanol