Question 1

Which functional group is present in the compound shown in $$image_2$$, and to which family of organic compounds does it belong?

Accepted Answer

It contains a carbon-carbon double bond and is an alkene.

Question 2

The compound in $$image_3$$ contains an –OH group bonded to a tetravalent carbon. Which family does it belong to?

Accepted Answer

Alcohol

Question 3

The compound in $$image_4 is $$best classified as which type of hydrocarbon?

Accepted Answer

Aromatic hydrocarbon

Question 4

Which functional group is highlighted in $$image_5$$, and what is the correct classification of this compound?

Accepted Answer

It contains a carbonyl group bonded to two carbons and is a ketone.

Question 5

The molecule in $$image_6$$ contains both an amide and an amine group. Which atoms are involved in these functional groups?

Accepted Answer

Oxygen and nitrogen

Question 6

Which two functional groups are present in the molecule shown in $$image_7$$?

Accepted Answer

Aromatic and disulfide

Question 7

Given the formula $$\mathrm{C_2H_7N}$$, which structure represents an amine?

Accepted Answer

A structure with a C–NH$$_2$$ group and all hydrogens distributed to satisfy carbon valency.

Question 8

Which of the following is a correct structure for an alkyne with the formula $$\mathrm{C_3H_4}$$?

Accepted Answer

A structure with a C–C triple bond and four hydrogens.

Question 9

Which of the following statements about organic compounds is correct?

Accepted Answer

They are not soluble in water.

Question 10

Which of the following contains ONLY organic compounds?

Accepted Answer

C$$_4H$_{10}$$, CH$$_3$$COOH, CH$$_3OH$$

Question 11

What is the most likely physical state of octane ($$\mathrm{C_8H_{18}}) at $$room temperature?

Accepted Answer

Liquid

Question 12

What are the products when octane ($$\mathrm{C_8H_{18}}) $$undergoes a complete combustion reaction?

Accepted Answer

$$\mathrm{CO_2$}$$ and $$\mathrm{H_2O}$$

Question 13

Which property is NOT typical of hydrocarbon compounds?

Accepted Answer

Polar

Question 14

In a hydration reaction, an alkene reacts with water in the presence of an acid to form which type of compound?

Accepted Answer

An alcohol

Question 15

Which of the following best describes the difference between a ketone and an aldehyde?

Accepted Answer

A ketone has a carbonyl group bonded to two carbons, while an aldehyde has a carbonyl group bonded to at least one hydrogen.

Question 16

Which of the following is a correct condensed structure for an ether with the formula $$\mathrm{C_4H_{10}O}$$?

Accepted Answer

CH$$_3CH$_2$$OCH$$_2CH$_3$$

Question 17

Which of the following best describes the structure of a disulfide bond in organic chemistry?

Accepted Answer

A bond between two sulfur atoms ($$\mathrm{S-S})$$

Question 18

Which of the following statements about the molecule in $$image_6 is $$correct?

Accepted Answer

It contains both an amide and an amine functional group.

Question 19

Which of the following best describes the aromaticity in the compound shown in $$image_7$$?

Accepted Answer

It contains a benzene ring with alternating double and single bonds.

Identifying Organic Compound Families from Structural Formulas

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