Question 1

Which of the following best describes the product of the hydrogenation of an alkene using a platinum catalyst?

Accepted Answer

An alkane

Question 2

What is the role of a catalyst such as Pt, Ni, or Pd in the hydrogenation of alkenes?

Accepted Answer

It speeds up the reaction without being consumed

Question 3

Which equation correctly represents the hydration of ethene to form ethanol?

Accepted Answer

$$\mathrm{CH_2$=CH_2$ + H_2O \xrightarrow{H^+} CH_3CH_2OH}$$

Question 4

During the hydrogenation of vegetable oils, what physical property of the product changes compared to the reactant?

Accepted Answer

The melting point increases

Question 5

Which of the following statements about benzene is TRUE?

Accepted Answer

Benzene is a flat, six-carbon ring with delocalized electrons

Question 6

What is the correct IUPAC name for the following compound: a benzene ring with two methyl groups at positions 1 and 3?

Accepted Answer

1,3-dimethylbenzene

Question 7

Which of the following is a correct condensed structural formula for the hydrogenation of 1-butene ($$\mathrm{CH_2$=CHCH_2CH_3}) $$using a platinum catalyst?

Accepted Answer

$$\mathrm{CH_3CH_2CH_2CH_3}$$

Question 8

Which of the following best describes the product of the hydration of propene ($$\mathrm{CH_2$=$$CHCH_3$$}) in $$the presence of a strong acid?

Accepted Answer

$$\mathrm{CH_3CH(OH)CH_3$} (2-$$propanol)

Question 9

Which of the following compounds is commonly used as a reactant to make explosives such as TNT?

Accepted Answer

Toluene

Question 10

What is the correct name for a benzene ring with a chlorine atom attached?

Accepted Answer

Chlorobenzene

Question 11

Which of the following best explains why benzene is represented by a circle inside a hexagon in its skeletal formula?

Accepted Answer

The electrons are delocalized and shared equally among all six carbon atoms

Question 12

Which of the following is the correct product for the hydrogenation of cyclopentene ($$\mathrm{C_5H_8}) $$with $$\mathrm{H_2$}$$ and a platinum catalyst?

Accepted Answer

Cyclopentane ($$\mathrm{C_5H_{10}})$$

Question 13

Which of the following is a correct statement about the hydration reaction of alkenes?

Accepted Answer

The –OH group attaches to the carbon with fewer hydrogen atoms in the double bond

Question 14

Which of the following aromatic compounds is found in pain relievers such as aspirin and acetaminophen?

Accepted Answer

Benzene ring

Question 15

Which of the following is the correct name for a benzene ring with methyl groups at positions 2 and 6, and a chlorine at position 4?

Accepted Answer

2,6-dibromo-4-chlorotoluene

Question 16

Which of the following best describes the difference between oleic acid and stearic acid as shown in the hydrogenation of oils?

Accepted Answer

Oleic acid contains a cis double bond, while stearic acid contains only single bonds

Question 17

Which of the following is the correct product of the hydration of 2-butene ($$\mathrm{CH_3CH=$$CHCH_3$$}) $$with water and a strong acid?

Accepted Answer

$$\mathrm{CH_3CH(OH)CH_2CH_3} (2-$$butanol)

Question 18

Which of the following is the correct name for a benzene ring with an amino group at position 1 and a bromo group at position 3?

Accepted Answer

3-bromoaniline

Question 19

Which of the following best explains why aromatic compounds are less reactive in addition reactions compared to alkenes?

Accepted Answer

The delocalized electrons in the benzene ring provide extra stability

Addition Reactions of Alkenes and Aromatic Compounds

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