Question 1

Which of the following is the correct IUPAC name for the compound with the structure $$CH_3CH_2CH_2CH_2CH_3$$?

Accepted Answer

pentane

Question 2

Which of the following statements about constitutional isomers is TRUE?

Accepted Answer

They have the same molecular formula but different connectivity of atoms.

Question 3

What is the correct IUPAC name for the following structure?

$$CH_3CH(CH_3$)CH_2CH_3$$

Accepted Answer

2-methylbutane

Question 4

Which of the following is NOT a correct name for an alkyl group derived from hexane?

Accepted Answer

tert-hexyl

Question 5

A compound contains a six-membered ring with two methyl groups attached to carbons 1 and 3. What is the correct IUPAC name for this compound?

Accepted Answer

1,3-dimethylcyclohexane

Question 6

Which of the following is the correct classification for the carbon atom in isopropyl chloride ($$CH_3CHClCH_3) to $$which the chlorine is attached?

Accepted Answer

secondary carbon

Question 7

What is the correct IUPAC name for the following ether?

$$CH_3CH_2OCH_2CH_3$$

Accepted Answer

diethyl ether

Question 8

Which of the following rules is used when naming alkanes with multiple substituents?

Accepted Answer

List substituents in alphabetical order, ignoring prefixes like di-, tri-, etc.

Question 9

Which of the following is the correct systematic name for the compound with the structure $$CH_3CH_2CH_2Br$$?

Accepted Answer

1-bromopropane

Question 10

Which of the following statements about cycloalkanes is TRUE?

Accepted Answer

Cycloalkanes have the general formula $$C_nH_{2n}.$$

Question 11

A compound is named 2,2,3-trimethylpentane. How many carbon atoms are in its longest continuous chain?

Accepted Answer

5

Question 12

Which of the following is the correct classification for the alcohol in $$CH_3CH_2CH_2OH$$?

Accepted Answer

primary alcohol

Question 13

Which of the following is the correct IUPAC name for the compound with the structure $$CH_3CH_2CH_2OCH_3$$?

Accepted Answer

methoxypropane

Question 14

Which of the following is a correct statement about the naming of branched substituents?

Accepted Answer

If the substituent does not have a common name, the parenthetical name must be used.

Question 15

Which of the following is the correct IUPAC name for a cycloalkane with a single methyl group attached?

Accepted Answer

methylcyclohexane

Question 16

Which of the following is the correct classification for the halide in $$CH_3CH_2CH_2Cl$$?

Accepted Answer

primary alkyl halide

Question 17

Which of the following is the correct IUPAC name for the compound with the structure $$CH_3CH_2CH(CH_3$)CH_2CH_3$$?

Accepted Answer

3-methylpentane

Question 18

When naming alkanes, what should you do if there are two possible chains of equal length?

Accepted Answer

Choose the chain with the greatest number of substituents.

Question 19

Which of the following is the correct IUPAC name for the compound with the structure $$CH_3CH_2CH_2CH_2Br$$?

Accepted Answer

1-bromobutane

Question 20

Which of the following is the correct IUPAC name for the compound with the structure $$CH_3CH_2CH_2CH_2OCH_3$$?

Accepted Answer

methoxybutane

Alkanes, Cycloalkanes, and Functional Group Nomenclature: Structure, Classification, and Naming

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