Question 1

Which of the following statements best describes an alkane?

Accepted Answer

A hydrocarbon containing only single bonds between carbon atoms.

Question 2

What is the general formula for a straight-chain alkane?

Accepted Answer

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

Question 3

Which of the following is the correct IUPAC name for the compound with the condensed formula $$\mathrm{CH}_3\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_3$$?

Accepted Answer

Butane

Question 4

Which functional group is present in all alcohols?

Accepted Answer

Hydroxyl group ($$-\mathrm{OH})$$

Question 5

A molecule with the formula $$\mathrm{C}_4\mathrm{H}_{10}$$ can be either butane or 2-methylpropane. What type of isomerism is this?

Accepted Answer

Structural isomerism

Question 6

Which of the following compounds contains a chiral center?

Accepted Answer

A carbon atom bonded to four different groups

Question 7

What is the correct IUPAC name for the following structure: a six-carbon ring with all single bonds?

Accepted Answer

Cyclohexane

Question 8

Which of the following best describes a cis isomer in a cycloalkane?

Accepted Answer

Two substituents are on the same side of the ring.

Question 9

Which of the following functional groups is characterized by a carbonyl carbon ($$\u003e\mathrm{C}=\mathrm{O}) $$directly bonded to a nitrogen atom?

Accepted Answer

Amide

Question 10

What is the molecular formula for cyclopentane?

Accepted Answer

$$\mathrm{C}_5\mathrm{H}_{10}$$

Question 11

Which of the following is a correct statement about benzene?

Accepted Answer

All carbon–carbon bonds in benzene are the same length.

Question 12

Which of the following is the correct IUPAC name for a compound with a five-carbon chain and a chlorine atom on the second carbon?

Accepted Answer

2-chloropentane

Question 13

Which of the following best describes a conformational isomer?

Accepted Answer

Different spatial arrangements of the same molecule due to rotation around single bonds.

Question 14

A fatty acid with only single bonds between carbon atoms is classified as:

Accepted Answer

Saturated

Question 15

Which of the following is a correct application of the IUPAC rules for naming alkanes?

Accepted Answer

The parent chain is the longest continuous chain of carbon atoms.

Question 16

Which of the following is NOT a carbonyl-containing functional group?

Accepted Answer

Amine

Question 17

Which of the following best describes an enantiomer?

Accepted Answer

A pair of molecules that are nonsuperimposable mirror images.

Question 18

Which of the following is the correct molecular formula for hexane?

Accepted Answer

$$\mathrm{C}_6\mathrm{H}_{14}$$

Question 19

Which of the following statements about cis–trans isomerism in alkenes is correct?

Accepted Answer

Cis–trans isomerism occurs when each carbon of the double bond has two different groups attached.

Question 20

Which of the following is the correct IUPAC name for a molecule with the structure $$\mathrm{CH}_3\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_3$$?

Accepted Answer

Pentane

Chapter 4: Introduction to Organic Compounds - GOB Chemistry Study Guide

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