Question 1

Which functional group is present in the compound shown in $$image_2$$, and to which family of organic compounds does it belong?

Accepted Answer

It contains a carbon-carbon double bond and is an alkene.

Question 2

The compound in $$image_3$$ contains which functional group, and what is its classification?

Accepted Answer

It contains a hydroxyl group and is an alcohol.

Question 3

The compound in $$image_4 is $$best classified as which type of hydrocarbon?

Accepted Answer

Aromatic hydrocarbon

Question 4

Which functional group is highlighted in $$image_5$$, and what is the compound's classification?

Accepted Answer

It contains a carbonyl group bonded to two carbons and is a ketone.

Question 5

The molecule in $$image_6$$ contains which two functional groups?

Accepted Answer

Amide and amine

Question 6

Which two functional groups are present in the compound shown in $$image_7$$?

Accepted Answer

Aromatic and disulfide

Question 7

Given the formula $$\mathrm{C_2H_7N}$$, which structure represents an amine?

Accepted Answer

A structure with a C-NH2 group and all hydrogens distributed so each carbon has four bonds.

Question 8

Which of the following is a correct structure for an alkyne with the formula $$\mathrm{C_3H_4}$$?

Accepted Answer

A structure with a C≡C triple bond and all hydrogens distributed so each carbon has four bonds.

Question 9

Which of the following is a correct structure for an ether with the formula $$\mathrm{C_4H_{10}O}$$?

Accepted Answer

A structure with a C-O-C group and all hydrogens distributed so each carbon has four bonds.

Question 10

Which of the following statements about organic compounds is correct?

Accepted Answer

They are not soluble in water.

Question 11

Which of the following contains ONLY organic compounds?

Accepted Answer

C4H10, CH3COOH, CH3OH

Question 12

What is the most likely physical state of octane ($$\mathrm{C_8H_{18}}) at $$room temperature?

Accepted Answer

A liquid

Question 13

What are the products when octane ($$\mathrm{C_8H_{18}}) $$undergoes a complete combustion reaction?

Accepted Answer

CO2, H2O

Question 14

Which property is NOT typical of hydrocarbon compounds?

Accepted Answer

Polar

Question 15

In a hydration reaction, an alkene reacts with water in the presence of an acid to form which type of compound?

Accepted Answer

An alcohol

Question 16

Which of the following best describes the difference between a ketone and an aldehyde?

Accepted Answer

A ketone has a carbonyl group bonded to two carbons, while an aldehyde has a carbonyl group bonded to at least one hydrogen.

Question 17

Which of the following best describes the functional group present in an amide?

Accepted Answer

A carbonyl group bonded to a nitrogen atom

Question 18

Which of the following best describes the functional group present in a disulfide?

Accepted Answer

A S–S bond

Identifying Organic Compound Families from Structural Formulas

Study Guide - Practice Questions