Question 1

Which of the following is NOT a typical property of most organic compounds?

Accepted Answer

high melting point

Question 2

Which class of organic compounds are composed of carbon and hydrogen connected only by single bonds?

Accepted Answer

alkanes

Question 3

The reaction of butane, $$\mathrm{C_4H_{10}}$$, with $$\mathrm{O_2$}$$ forming $$\mathrm{CO_2$}$$ and $$\mathrm{H_2O} is $$which type of reaction?

Accepted Answer

combustion

Question 4

Which of the following is true for nonane, $$\mathrm{C_9H_{20}}$$, an alkane that has a density of $$0.79\ \mathrm{g/mL}$$, melts at $$-51^\circ\mathrm{C}$$, and boils at $$157^\circ\mathrm{C}$$?

Accepted Answer

Nonane floats on the surface of water.

Question 5

An unsaturated hydrocarbon compound...

Accepted Answer

contains at least one double or triple bond.

Question 6

Which of the following molecules is an alkyne?

Accepted Answer

$$\mathrm{CH_3$-CH_2$-C\equiv CH}$$

Question 7

Which of the following compounds can have cis-trans isomers?

Accepted Answer

$$\mathrm{CH_3$–CH=CH–CH_3$}$$

Question 8

Which statement about the chemical properties of benzene is correct?

Accepted Answer

It can undergo substitution reactions but not addition reactions.

Question 9

Alcohols have higher boiling points than similar molar mass alkanes because...

Accepted Answer

hydrogen bonding occurs between alcohols but not between alkanes.

Question 10

What is the product when 1-butanol reacts with a mild oxidizing agent?

Accepted Answer

butanal

Question 11

Which of the following compounds is classified as an ether?

Accepted Answer

$$\mathrm{CH_3CH_2OCH_2CH_3}$$

Question 12

Dehydration of 1–butanol at high temperature with a concentrated sulfuric acid catalyst primarily produces what organic product?

Accepted Answer

1-butene

Question 13

Any rubbing alcohol that is absorbed into the bloodstream through your skin is converted into acetone by reaction with NAD$$^+ in $$your liver, which is catalyzed by the enzyme called alcohol dehydrogenase. This reaction is best described as...

Accepted Answer

oxidation

Question 14

Which of the following functional groups is not present in cocaine?

Accepted Answer

alkyne

Question 15

Which of the following compounds can be converted by hydration into an alcohol, when combined with water using $$\mathrm{H_2SO_4} as a $$catalyst?

Accepted Answer

an alkene

Question 16

What is the major product formed by the addition of $$\mathrm{HBr} to 2-$$methylpropene?

Accepted Answer

2-bromo-2-methylpropane

Question 17

Which of the following alcohols do you expect to have the highest solubility in water?

Accepted Answer

1,2-ethanediol

Question 18

How does a molecule of vitamin C synthesized in the laboratory compare to a molecule of vitamin C isolated from a natural source, such as rose hips?

Accepted Answer

They are identical in every way.

Question 19

What is the best description for the reaction: $$\mathrm{CH_2$=CH_2$ + H_2$ \xrightarrow{Pd/C} CH_3CH_3}$$?

Accepted Answer

hydrogenation

Question 20

Which class of hydrocarbon does benzene belong to?

Accepted Answer

aromatic

Study Guidance for Chemistry 52 Exam #1 (Chapters 12–14: Organic Chemistry)

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