Question 1

Which of the following statements best explains why vegetable oil does not dissolve in water?

Accepted Answer

Vegetable oil is an organic compound with nonpolar covalent bonds, while water is polar.

Question 2

Which property is most typical of inorganic compounds?

Accepted Answer

High solubility in water

Question 3

What is the correct IUPAC name for the compound with the condensed formula $$\mathrm{CH_3CH_2CH_2CH_2CH_3}$$?

Accepted Answer

Pentane

Question 4

Which of the following is a correct line-angle formula for butane ($$\mathrm{C_4H_{10}}$$)?

Accepted Answer

A zigzag line with three vertices (four carbons)

Question 5

Which of the following molecules is classified as organic?

Accepted Answer

$$\mathrm{C_3H_8}$$

Question 6

What is the molecular formula for cyclopentane?

Accepted Answer

$$\mathrm{C_5H_{10}}$$

Question 7

Which of the following is a structural isomer of pentane ($$\mathrm{C_5H_{12}}$$)?

Accepted Answer

$$\mathrm{CH_3CH(CH_3$)CH_2CH_3}$$

Question 8

A compound is found to have a low boiling point, is flammable, and is not soluble in water. Which type of compound is it most likely to be?

Accepted Answer

Organic compound

Question 9

What is the correct IUPAC name for the following compound: $$\mathrm{CH_3CH_2CH(CH_3$)CH_2CH_3}$$?

Accepted Answer

2-methylpentane

Question 10

Which of the following best describes the bonding in methane ($$\mathrm{CH_4$}$$)?

Accepted Answer

Methane has four covalent bonds arranged tetrahedrally.

Question 11

Which of the following is the correct condensed structural formula for 2,3-dimethylbutane?

Accepted Answer

$$\mathrm{CH_3CH(CH_3$)CH(CH_3$)CH_3$}$$

Question 12

Which of the following is the correct IUPAC name for a compound with a six-carbon ring and one ethyl group attached?

Accepted Answer

Ethylcyclohexane

Question 13

A compound has the formula $$\mathrm{C_7H_{16}}. $$Which of the following statements is true?

Accepted Answer

It is an alkane and can have structural isomers.

Question 14

Which of the following is the correct IUPAC name for the compound with the structure $$\mathrm{CH_3CH_2CH_2CH_2CH_2CH_3}$$?

Accepted Answer

Hexane

Question 15

Which of the following is a correct description of a cycloalkane?

Accepted Answer

A cyclic hydrocarbon with only single bonds and two fewer hydrogens than the corresponding alkane.

Question 16

Which of the following is the correct IUPAC name for $$\mathrm{CH_3CH_2CH_2CH_2CH_2CH_2CH_3}$$?

Accepted Answer

Heptane

Question 17

Which of the following is a correct example of a haloalkane?

Accepted Answer

$$\mathrm{CH_3CH_2Br} ($$bromoethane)

Question 18

Which of the following best describes a structural isomer?

Accepted Answer

Compounds with the same molecular formula but different connectivity of atoms.

Question 19

Which of the following is the correct IUPAC name for a compound with a six-carbon chain, a bromo group on carbon 4, and methyl groups on carbons 2 and 4?

Accepted Answer

4-bromo-2,4-dimethylhexane

Question 20

Which of the following is the correct condensed structural formula for 3-bromo-1-chlorobutane?

Accepted Answer

$$\mathrm{CH_2ClCH_2CHBrCH_3}$$

Mini-Textbook Study Notes: Introduction to Organic Chemistry and Hydrocarbons

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