Question 1

Which of the following statements best describes a saturated hydrocarbon?

Accepted Answer

A hydrocarbon containing only single covalent bonds between carbon atoms.

Question 2

What is the general formula for alkanes?

Accepted Answer

$\mathrm{C}_n\mathrm{H}_{2n+2}$

Question 3

Which of the following compounds is an example of a cycloalkane?

Accepted Answer

Cyclopentane

Question 4

How many structural isomers are possible for the alkane with molecular formula $\mathrm{C}_5\mathrm{H}_{12}$?

Accepted Answer

3

Question 5

Which rule is used to determine the position of a substituent when naming branched-chain alkanes?

Accepted Answer

Number the carbon atoms to give the lowest possible numbers to branch points.

Question 6

Which of the following is a correct condensed structural formula for octane?

Accepted Answer

$\mathrm{CH}_3\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_3$

Question 7

Which of the following statements about geometric isomers is correct?

Accepted Answer

Geometric isomers have the same connectivity but differ in the spatial arrangement of atoms around a double bond.

Question 8

According to Markovnikoff's Rule, when HBr is added to propene, where does the hydrogen atom attach?

Accepted Answer

To the carbon atom with the most hydrogen atoms.

Question 9

What is the general formula for alkenes?

Accepted Answer

$\mathrm{C}_n\mathrm{H}_{2n}$

Question 10

Which of the following is a correct product of the addition of $\mathrm{Br}_2$ to ethene?

Accepted Answer

1,2-dibromoethane

Question 11

Which of the following is the correct name for the compound with the structure $\mathrm{CH}_3\mathrm{CH}_2\mathrm{C}\equiv\mathrm{CH}$?

Accepted Answer

1-butyne

Question 12

Which functional group is present in all alcohols?

Accepted Answer

Hydroxyl group

Question 13

What is the product when an alcohol reacts with a carboxylic acid?

Accepted Answer

An ester and water

Question 14

Which of the following is a correct representation of a benzene ring?

Accepted Answer

A six-membered ring with alternating single and double bonds

Question 15

Which type of reaction is most common for aromatic hydrocarbons such as benzene?

Accepted Answer

Substitution reaction

Question 16

What is the functional group present in all aldehydes?

Accepted Answer

R-CHO

Question 17

Which of the following is the correct general formula for cycloalkanes?

Accepted Answer

$\mathrm{C}_n\mathrm{H}_{2n}$

Question 18

Which of the following is a correct description of a primary amine?

Accepted Answer

A nitrogen atom bonded to one alkyl group and two hydrogens.

Question 19

Which of the following is the correct product when a carboxylic acid reacts with an amine?

Accepted Answer

An amide and water

Question 20

Which of the following is the correct suffix used in naming ketones?

Accepted Answer

-one

Chapter 21: Introduction to Organic Chemistry

Study Guide - Practice Questions