Organic Chemistry Test: Ordering Functional Groups

Question 1

Polarity of Functional Groups

Least Polar to Most Polar

Answer 1

1. Hydrocarbons (alkanes, alkenes, alkynes, cyclics, and aromatics)
2. Halogenated Hydrocarbons
3. Ethers
4. Ketones & Aldehydes (because of carbonyl group)
5. Esters (because of carbonyl group)
6. Amides (because of carbonyl group)
7. Amines
8. Alcohols (because of hydroxyl group)
9. Carboxylic Acids (because of carboxyl group)

Question 2

Increased Solubility in POLAR solvents
increasing melting and boiling points

Least to Greatest

Answer 2

1. Hydrocarbons (alkanes, alkenes, alkynes, cyclics, and aromatics)
2. Halogenated Hydrocarbons
3. Ethers
4. Ketones & Aldehydes (because of carbonyl group)
5. Esters (because of carbonyl group)
6. Amides (because of carbonyl group)
7. Amines
8. Alcohols (because of hydroxyl group)
9. Carboxylic Acids (because of carboxyl group)

Question 3

Increased Solubility in NONPOLAR solvents

Least to Greatest

Answer 3

1. Carboxylic Acids (because of carboxyl group)
2. Alcohols (because of hydroxyl group)
3. Amines
4. Amides (because of carbonyl group)
5. Esters (because of carbonyl group)
6. Ketones & Aldehydes (because of carbonyl group)
7. Ethers
8. Halogenated Hydrocarbons
9. Hydrocarbons (alkanes, alkenes, alkynes, cyclics, and aromatics)

Question 4

Polarity of Hydrocarbons (Least to Greatest)

Answer 4

1. alkenes
2. alkanes (branched)
3. alkanes (straight)
4. alkynes
5. cyclics