Question 1

Which of the following compounds is most likely to be soluble in water?

Accepted Answer

Butan-1-ol ($$\mathrm{C_4H_9OH})$$

Question 2

Which functional group is present in both amino acids and proteins, and is responsible for their basic properties?

Accepted Answer

Amine ($$\mathrm{-NH_2$})$$

Question 3

Which of the following statements best explains why methane ($$\mathrm{CH_4$}) is a $$gas at room temperature while water ($$\mathrm{H_2O}) is a $$liquid?

Accepted Answer

Water has stronger hydrogen bonding due to O-H bonds.

Question 4

Which of the following molecules can form hydrogen bonds with itself?

Accepted Answer

Ethanol ($$\mathrm{CH_3CH_2OH})$$

Question 5

Which of the following best describes the difference between an alkene and an alkyne?

Accepted Answer

Alkenes contain a double bond, alkynes contain a triple bond.

Question 6

Which of the following is a property of organic compounds compared to inorganic compounds?

Accepted Answer

Flammable

Question 7

Which of the following functional groups is most likely to act as an acid in aqueous solution?

Accepted Answer

Carboxylic acid ($$\mathrm{-COOH})$$

Question 8

Which of the following statements about polymers is correct?

Accepted Answer

Polymers are formed by the addition of small repeating units called monomers.

Question 9

Which intermolecular force is present in all organic molecules, regardless of their functional group?

Accepted Answer

Dispersion forces

Question 10

Which of the following compounds is most likely to have the highest boiling point?

Accepted Answer

Methanol ($$\mathrm{CH_3OH})$$

Question 11

Which of the following best describes the effect of increasing the carbon chain length of an alcohol on its solubility in water?

Accepted Answer

Solubility decreases

Question 12

Which of the following is a correct example of a saturated hydrocarbon?

Accepted Answer

Ethane ($$\mathrm{C_2H_6})$$

Question 13

Which of the following reactions is an example of hydrogenation?

Accepted Answer

$$\mathrm{C_2H_4 + H_2$ \rightarrow C_2H_6}$$

Question 14

Which of the following functional groups is present in acetone?

Accepted Answer

Ketone

Question 15

Which of the following best describes the polarity of a molecule containing only carbon and hydrogen atoms?

Accepted Answer

Nonpolar

Question 16

Which of the following statements is true regarding aromatic rings?

Accepted Answer

Aromatic rings contain alternating single and double bonds in a cyclic structure.

Question 17

Which of the following functional groups is most likely to be found in a molecule with a strong, unpleasant odor (like skunk spray)?

Accepted Answer

Thiol ($$\mathrm{-SH})$$

Question 18

Which of the following best describes the difference between an ester and an ether?

Accepted Answer

Esters contain a carbonyl group adjacent to an oxygen, ethers do not.

Question 19

Which of the following is the correct IUPAC name for a straight-chain alkane with 7 carbon atoms?

Accepted Answer

Heptane

Question 20

Which of the following statements best explains why carboxylic acids are more acidic than alcohols?

Accepted Answer

Carboxylic acids have resonance stabilization of their conjugate base.

Fundamental Concepts in Organic Chemistry: Functional Groups, Properties, and Intermolecular Forces

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