Functional Group Quiz

What are the six main functional groups?

ANSWER : The names of the six most important functional groups are:

Hydroxyl.

Carbonyl.

Carboxyl.

Amino.

Sulfhydryl.

Phosphate.

1. Classify the compound based on the functional group present.

• alkane(CORRECT ANSWER)

• alkene

• alkyne

• aromatic

2. This functional group shows up in so many alcohols it has come to be known as the alcohol group. It’s really called:

• hydroxyl(CORRECT ANSWER)

• ho group

• oxyhol

• carboxyl

3. Identify the organic class to which the compound belongs.

• alcohol

• ketone

• aldehyde

• carboxylic acid

• ester

• halide(CORRECT ANSWER)

• ether

• amine

4. Classify the compound based on the functional group present.

• aldehyde

• ketone(CORRECT ANSWER)

• carboxylic acid

• ester

5. Classify the compound based on the functional group present.

• aldehyde(CORRECT ANSWER)

• ketone

• carboxylic acid

• ester

6. Classify the compound based on the functional group present.

• alcohol

• ketone

• ester

• ether(CORRECT ANSWER)

7. Classify the compound based on the functional group present.

• alkane

• alkene

• alkyne

• aromatic(CORRECT ANSWER)

8. Identify the organic class to which the compound belongs.

• aldehyde

• ester

• carboxylic acid

• ether

• ketone

• halide

• amine(CORRECT ANSWER)

• alcohol

9. Identify the organic class to which the compound belongs.

• aldehyde

• amine

• ester

• alcohol

• ether

• carboxylic acid(CORRECT ANSWER)

• ketone

• halide

10. Classify the compound based on the functional group present.

• alkane

• alkene(CORRECT ANSWER)

• alkyne

• aromatic

11. Replace the oxygen of the hydroxyl group with sulfur and you get this functional group.

• sulfoxyl

• sulfa

• librarian (-SH)

• thiol(CORRECT ANSWER)

12. Classify the compound based on the functional group present.

• amine(CORRECT ANSWER)

• carboxylic acid

• alcohol

• ester

• ketone

• aldehyde

• halide

• ether

13. Classify the compound based on the functional group present.

• alkane

• alkene

• alkyne(CORRECT ANSWER)

• aromatic

14. Classify the compound based on the functional group present.

• ether

• aldehyde(CORRECT ANSWER)

• ketone

• alcohol

• amine

• carboxylic acid

• ester

• halide

15. Classify the compound based on the functional group present.

•  carboxylic acid

• alcohol

• ketone

• aldehyde

• ester

• amine

• Ether  (CORRECT ANSWER)

• Halide

alkane

ANSWER :   R-H   (CH₃CH₃)

alkene

ANSWER :   Functional group: double bond

alkyne

ANSWER :   functional group: triple bond

aromatic compound

ANSWER :   functional group: phenyl

alkyl halide

ANSWER :   functional group: -X  (halo group)

alcohol

ANSWER :   R-OH functional group: -OH  (hydroxy group)

ether

ANSWER :   R-O-R functional group: -OR (alkoxy group)

amine

ANSWER :   R-NH₂ (primary amine)  R₂NH (secondary amine)  R₃N (tertiary amine)functional group: -NH₂  (amino group)

thiol

ANSWER :   R-SH   functional group: -SH   (mercapto group)

sulfide

ANSWER :   R-S-R  functional group: -SR   (alkythio group)

aldehyde

ANSWER :   functional group: C=O

(carbonyl group)

ketone

ANSWER :   functional group: C=O

(carbonyl group)

carboxylic acid

ANSWER :   functional group: -COOH

(carboxy group)

ester

ANSWER :   functional group: -COOR

amide

ANSWER :   -CONH₂ (primary amide)

-CONHR (secondary amide)

-CONR₂ (tertiary amide)

acid chloride

ANSWER :   functional group: -COCl