Organic Chemistry Basics Quiz - Learn the Foundations of Organic Chemistry

Question 1 of 35

What is the basic building block of organic compounds?

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Nitrogen

Carbon

Oxygen

Hydrogen

Question 2 of 35

Which of the following is an example of an alkane?

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Ethene

Propane

Benzene

Ethyne

Question 3 of 35

What is the general formula for alkenes?

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C_nH_{2n}

C_nH_{2n+2}

C_nH_n

C_nH_{2n-2}

Question 4 of 35

Which functional group is characterized by a carbonyl group bonded to a hydroxyl group?

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Alcohol

Aldehyde

Carboxylic Acid

Ketone

Question 5 of 35

What type of reaction involves the addition of a halogen to an alkene?

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Hydrogenation

Halogenation

Polymerization

Oxidation

Question 6 of 35

Which of the following is a characteristic feature of aromatic compounds?

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Single bonds only

Alternating double bonds

Linear structure

Hydroxyl group

Question 7 of 35

What is the main product of the combustion of hydrocarbons?

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Carbon monoxide and water

Carbon dioxide and water

Carbon and hydrogen

Carbon dioxide and hydrogen

Question 8 of 35

Which of the following is an example of an ester?

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Ethanol

Acetic acid

Ethyl acetate

Butanol

Question 9 of 35

Which type of isomerism is shown by compounds with the same molecular formula but different connectivity of atoms?

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Geometric

Structural

Enantiomeric

Conformational

Question 10 of 35

What is the common name for ethanol?

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Methanol

Ethyl alcohol

Isopropanol

Butanol

Question 11 of 35

Which reagent is used to test for the presence of unsaturation in an organic compound?

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Bromine water

Sulfuric acid

Sodium hydroxide

Hydrochloric acid

Question 12 of 35

What type of bond is present in a molecule of ethyne (acetylene)?

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Single bond

Double bond

Triple bond

Quadruple bond

Question 13 of 35

Which organic compound is characterized by having an –OH group bonded to an aromatic ring?

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Phenol

Methanol

Ethanol

Acetone

Question 14 of 35

What type of reaction is involved in the formation of polymers from monomers?

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Addition

Substitution

Elimination

Rearrangement

Question 15 of 35

Which of the following compounds is a ketone?

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Acetaldehyde

Propionic acid

Acetone

Butanol

Question 16 of 35

Which type of isomerism is shown by compounds that have the same connectivity but different spatial arrangements?

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Geometric

Structural

Enantiomeric

Conformational

Question 17 of 35

What type of compound contains a carbonyl group bonded to a nitrogen atom?

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Aldehyde

Ketone

Amide

Ester

Question 18 of 35

Which compound is a common example of an alcohol?

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Methane

Ethanol

Butene

Acetone

Question 19 of 35

What is the functional group in aldehydes?

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–OH

–COOH

–CHO

–NH_2

Question 20 of 35

Which compound is formed when a carboxylic acid reacts with an alcohol?

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Ester

Aldehyde

Ketone

Amide

Question 21 of 35

Which of the following is a feature of primary alcohols?

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The hydroxyl group is bonded to one carbon atom

The hydroxyl group is bonded to two carbon atoms

The hydroxyl group is bonded to three carbon atoms

The hydroxyl group is bonded to a benzene ring

Question 22 of 35

What is the molecular formula of butene?

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C_4H_6

C_4H_8

C_5H_10

C_6H_12

Question 23 of 35

Which process is used to convert alkenes into alkanes?

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Hydrogenation

Dehydration

Halogenation

Oxidation

Question 24 of 35

Which of the following is NOT a type of hydrocarbon?

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Alkene

Alkyne

Arene

Aldehyde

Question 25 of 35

Which of the following compounds is an example of a simple ketone?

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Formaldehyde

Acetone

Ethyl alcohol

Acetic acid

Question 26 of 35

What type of bond is present in an alkene?

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Single bond

Double bond

Triple bond

Quadruple bond

Question 27 of 35

Which of the following is a characteristic of alcohols?

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Presence of a carbonyl group

Presence of a hydroxyl group

Presence of a carboxyl group

Presence of an ester group

Question 28 of 35

Which functional group is present in carboxylic acids?

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–OH

–COOH

–CHO

–NH_2

Question 29 of 35

Which type of bond is found in alkynes?

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Single bond

Double bond

Triple bond

Quadruple bond

Question 30 of 35

Which of the following is an example of a tertiary alcohol?

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1-Butanol

2-Butanol

2-Methyl-2-propanol

Ethanol

Question 31 of 35

Which of the following compounds is a polymer?

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Ethylene

Polystyrene

Methane

Acetone

Question 32 of 35

What is the product of the reaction between a carboxylic acid and an amine?

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Amide

Ester

Alcohol

Ketone

Question 33 of 35

Which of the following compounds is a common example of an aromatic hydrocarbon?

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Ethylene

Benzene

Butyne

Propane

Question 34 of 35

Which of the following compounds is a common example of a haloalkane?

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Chloroform

Ethanol

Acetone

Benzene

Question 35 of 35

What type of reaction involves the removal of water from an alcohol?

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Hydration

Dehydration

Substitution

Addition

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