MULTIPLE CHOICE. Write the letter of your chosen answer on your answer sheet.

1. Select the correct name for the formula on the right side is _____.

A. 4-ethyl-4-methyloctane

B. 3-methyl-3-propylheptane

C. 5-methyl-5-ethyloctane

D. 3-methyl-3-propylheptane

CH3

CH3CH2CH2CH2CCH2CH3

CH2CH2CH3



2. Select the correct IUPAC name for the figure shown below.

A. 1,3-dimethylcyclopentane

B. 2,5-dimethylcyclopentane

C. 2,3-dimethylcyclopentane

D. 1,4-dimethylcyclopentane

3. The correct name of the compound given below is _____

A. 2-methyl-1-pentane

B. 2-ethyl-1-propene

C. 2-ethyl-1-propene

D. 3-methyl -2-butene

CH3 - C =CH2

CH2

CH2

4. Name the compound that follows.

A. 6-ethyl-4-methylcyclohexane

B. 6-ethyl-3-methylcyclohexane

C. 3-ethyl-5-methylcyclohexene

D. 6-ethyl-4-methylcyclohex-1-ene5. Give the IUPAC name of the compound that follows.

A. 2,6-diethyl-3-nonyne

B. 2,5-diethyl-3-nonyne

C. 3,7-dimethyl-4-nonyne

D. 3,7-dimethyl-5-nonyne

CH3 -CH - C = C-CH2-CH-CH3

CH3 - CH2 CH2-CH3

6. Benzene ring possesses _____ actual double bonds.

A. None, C-C bonds in benzene are delocalized around the ring

B. 1 double bond

C. 2 double bonds

D. 3 double bonds

7. This chemical structure below represents a molecule with a molecular

formula of _____.

A. C6H6

B. C6H8

C. C6H10

D. C8H10

8. Select the IUPAC name for (CH3)2CHCH(OH)CH2C(CH3)3.

A. 2,5-dimethyl-4-hexanol C. 2,5,5 - trimethyl- 3- hexanol

B. 1,1-dimethylisopentanol D. 1,1,4,4-pentamethylbutanol

9. Give the IUPAC name of this compound: CH3OCH2CH3.

A. propyl ether B. dimethyl ether C. methoxyethane D. methylethyloxide

10. Select the IUPAC name for the structure of the compound below.

A. 2-carboxyisohexane

B. 2,4-dimethylpentanoic acid

C. 1,1,3-trimethylbutanoic acid

D. 1-hydroxy-2-4-dimethylpentanone

O

(CH3)2CHCH2CHCOH

CH3

11. Select the best name for the structure below on the right side.

A. p-chlorobenzene

B. m-chlorobenzoic acid

C. o-chlorobenzenzaldehyde

D. m-chlorosalicyclic acid

12. The best classification for the compound that follows is ___.

A. aldehyde

B. carboxylic acid

C. ester

D. ketone

CH3CH2C = O

OCH3

13. The compound given below is called ____.

A. butyl acetate

B. ethyl butanoate

C. ethyl pentanoate

D. propyl pentanoate

O

CH3CH2CH2CH2C -O-CH2CH3

14. The compound illustrated below is called ____.

A. acetaminde

B. dimethylamine

C. formyl acetaminde

D. N,N-dimethylformamide

O

(CH3)2NCH15. The functional group given below is characteristic of organic _____.

A. acids

B. esters

C. ketones

D. alcohols​