Question 1

What is the correct IUPAC name for the following compound?

$$\mathrm{CH_3CH_2CH_2CH(CH_3$)CH_2CH(CH_2CH_3)CH_3$}$$

Accepted Answer

4-ethyl-3-methylheptane

Question 2

Which of the following is the correct order of steps for naming an alkane according to IUPAC rules?

Accepted Answer

Find the longest chain, number the chain from the end nearest a substituent, list substituents alphabetically

Question 3

What is the IUPAC name for the compound shown below?

$$\mathrm{CH_3CH_2CH(CH_3$)CH_2CH_2CH_3}$$

Accepted Answer

3-methylhexane

Question 4

Which of the following statements about alkanes is FALSE?

Accepted Answer

Alkanes are highly soluble in water.

Question 5

What is the IUPAC name for the following compound?

$$\mathrm{CH_3CH_2CH_2CH_2CH_2CH_3}$$

Accepted Answer

Heptane

Question 6

Which of the following compounds is an example of an aromatic hydrocarbon?

Accepted Answer

Benzene

Question 7

A compound has the formula $$\mathrm{C_5H_{12}}. $$Which type of hydrocarbon is it?

Accepted Answer

Alkane

Question 8

Which of the following is the correct IUPAC name for the compound with the structure:

$$\mathrm{CH_3CH_2CHBrCHBrCH_3}$$

Accepted Answer

3,3-dibromopentane

Question 9

Which of the following statements about alkenes and alkynes is TRUE?

Accepted Answer

Alkenes are unsaturated hydrocarbons.

Question 10

What is the IUPAC name for the following compound?

$$\mathrm{CH_3CH_2CH=$$CHCH_3$$}$$

Accepted Answer

2-pentene

Question 11

Which of the following is the correct IUPAC name for a compound with a chlorine atom on carbon 3 and a methyl group on carbon 2 of pentane?

Accepted Answer

3-chloro-2-methylpentane

Question 12

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

Accepted Answer

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

Question 13

Which of the following is a property shared by alkanes, alkenes, and alkynes?

Accepted Answer

They are all non-polar.

Question 14

What is the IUPAC name for the following compound?

$$\mathrm{CH_3CH_2C \equiv $$CCH_3$$}$$

Accepted Answer

2-pentyne

Question 15

Which of the following is the correct IUPAC name for a compound with two methyl groups on carbons 2 and 6, and a double bond starting at carbon 3 of octene?

Accepted Answer

2,6-dimethyl-3-octene

Question 16

Which of the following is the correct IUPAC name for a compound with a bromo group on carbon 4 and a triple bond starting at carbon 2 of pentane?

Accepted Answer

4-bromo-2-pentyne

Question 17

Which of the following is the correct IUPAC name for a compound with two fluoro groups on carbons 3 and 5, and a methyl group on carbon 3 of heptane?

Accepted Answer

3,5-difluoro-3-methylheptane

Question 18

Which of the following is the correct molecular formula for an alkene with 5 carbon atoms?

Accepted Answer

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

Question 19

Which of the following is the correct IUPAC name for the compound with the structure:

$$\mathrm{CH_3CH_2CH_2CH(CH_3$)CH_2CH_3}$$

Accepted Answer

3-methylheptane

Naming Alkanes, Alkenes, and Alkynes: IUPAC Nomenclature and Structural Formulas

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