Question 1

Which of the following is the correct IUPAC name for the compound with the condensed formula $$\mathrm{CH_3CH_2CH_2CH_3}$$?

Accepted Answer

Butane

Question 2

What is the molecular formula for cyclohexane?

Accepted Answer

$$\mathrm{C_6H_{12}}$$

Question 3

Which of the following structures represents 2-bromopropane?

Accepted Answer

$$\mathrm{CH_3CHBrCH_3}$$

Question 4

Which of the following is a correct condensed structure for octane?

Accepted Answer

$$\mathrm{CH_3$(CH_2$)_6CH_3}$$

Question 5

Which of the following compounds can exist as cis-trans isomers?

Accepted Answer

2-butene

Question 6

What is the correct IUPAC name for the following structure: $$\mathrm{CH_3CH_2CH_2CH_2CH_3}$$?

Accepted Answer

Pentane

Question 7

Which of the following is the correct skeletal structure for hexane?

Accepted Answer

A zig-zag line with 6 carbon vertices

Question 8

Which functional group is present in the compound $$\mathrm{CH_3CH_2OH}$$?

Accepted Answer

Alcohol

Question 9

What is the correct name for the following substituent: $$\mathrm{CH_2CH_3-}$$?

Accepted Answer

Ethyl

Question 10

Which of the following is a structural isomer of pentane?

Accepted Answer

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

Question 11

Which of the following best describes the difference between cycloalkanes and alkanes?

Accepted Answer

Cycloalkanes are ring structures, while alkanes are open-chain structures.

Question 12

Which of the following is the correct condensed structure for heptane?

Accepted Answer

$$\mathrm{CH_3$(CH_2$)_5CH_3}$$

Question 13

Which of the following compounds contains a halogen functional group?

Accepted Answer

$$\mathrm{CH_3CH_2Br}$$

Question 14

Which of the following is the correct IUPAC name for the compound with the structure shown below?

$$\mathrm{CH_3CH_2CH_2CH_2CH_2CH_3}$$

Accepted Answer

Hexane

Question 15

Which of the following is the correct condensed structure for butane?

Accepted Answer

$$\mathrm{CH_3CH_2CH_2CH_3}$$

Question 16

Which of the following is a correct example of a branched alkane?

Accepted Answer

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

Question 17

Which of the following is the correct name for the alkyl group $$\mathrm{CH_3$-}$$?

Accepted Answer

Methyl

Question 18

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

Accepted Answer

$$\mathrm{C$$_{10}$$H_{22}}$$

Question 19

Which of the following best describes an isomer?

Accepted Answer

Compounds with the same molecular formula but different structural arrangements

Question 20

Which of the following is the correct skeletal structure for cyclopentane?

Accepted Answer

A pentagon

Study Guide: Introduction to Organic Compounds (GOB Chemistry, Chapter 4)

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