Question 1

Which of the following best describes the molecular geometry of the SO$$_3$$ molecule shown in the first image?

Accepted Answer

Trigonal planar

Question 2

Which functional group is represented in the second image (R-COOR)?

Accepted Answer

Ester

Question 3

Which functional group is shown in the third image (R-COOH)?

Accepted Answer

Carboxylic acid

Question 4

Which functional group is shown in the fourth image (R-CO-R)?

Accepted Answer

Ketone

Question 5

Which functional group is shown in the fifth image (R-CHO)?

Accepted Answer

Aldehyde

Question 6

The sixth image shows a molecule with a triple bond. Which type of hydrocarbon does this represent?

Accepted Answer

Alkyne

Question 7

The seventh image shows a six-membered ring with alternating double bonds. What is the name of this structure?

Accepted Answer

Benzene

Question 8

In the eighth image, which functional groups are present in the molecule?

Accepted Answer

Aldehyde and alkene

Question 9

In the ninth image, which structure represents 2,3,5-trimethylheptane?

Accepted Answer

d

Question 10

Refer to the tenth image. Which pair of compounds are cis-trans isomers?

Accepted Answer

A

Question 11

In the eleventh image, which structure is a ketone?

Accepted Answer

C

Question 12

The twelfth image shows two cyclohexane rings with two OH groups. What is the relationship between these two molecules?

Accepted Answer

They are diastereomers

Question 13

The thirteenth image shows the structure of glucose. How many chiral centers are present in this molecule?

Accepted Answer

5

Question 14

The fourteenth image shows a tetrahedral carbon with Br, OH, CH$$_3$$, and C$$_2H$_5$$ groups. Is this carbon chiral?

Accepted Answer

Yes, because it is attached to four different groups

Question 15

The fifteenth image shows the condensed formula CH$$_3CH$_2CH(OH)CH$_3. $$What is the IUPAC name for this compound?

Accepted Answer

2-butanol

Question 16

The sixteenth image shows the Lewis structure of propane. What is the molecular formula for this compound?

Accepted Answer

$$\mathrm{C_3H_8}$$

Question 17

The seventeenth image shows the Lewis structure of 2-methyl-2-butene. Which type of isomerism can this compound exhibit?

Accepted Answer

Structural isomerism

General Chemistry II: Functional Groups, Isomerism, and Molecular Structures

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