Question 1

Which of these is the correct condensed structural formula for butane?

Accepted Answer

A) CH3CH2CH3 
B) CH3CH2CH2CH3 
C) CH3CH2=CH2CH3 
D) CH3CH2HC=CHCH3 
E) CH3CH2CH2CH2CH3 
A) CH3CH2CH3 
B) CH3CH2CH2CH3 
C) CH3CH2=CH2CH3 
D) CH3CH2HC=CHCH3 
E) CH3CH2CH2CH2CH3

Question 2

Which of these is not an alkane?

Accepted Answer

A) C3H8 
B) CH4 
C) C2H2 
D) C6H14 
E) C4H10 
A) C3H8 
B) CH4 
C) C2H2 
D) C6H14 
E) C4H10

Question 3

Which of the following types of compounds do not contain oxygen?

Accepted Answer

A) alcohols 
B) aldehydes 
C) amines 
D) esters 
E) ketones 
A) alcohols 
B) aldehydes 
C) amines 
D) esters 
E) ketones

Question 4

Which of these represents the general formula for alkynes?

Accepted Answer

A) CnH2n+2 
B) CnH2n − 2 
C) CnH2n 
D) C2nHn 
E) Cn − 2H2n 
A) CnH2n+2 
B) CnH2n − 2 
C) CnH2n 
D) C2nHn 
E) Cn − 2H2n

Question 5

Which of these alkanes would be gases at room temperature?
I. C2H6
II. C3H8
III. C5H10
IV. C6H14
V.CH4

Accepted Answer

A) I and II 
B) I, II, and III 
C) III and IV 
D) I, II, and V 
E) I and V 
A) I and II 
B) I, II, and III 
C) III and IV 
D) I, II, and V 
E) I and V

Question 6

Which of these scientists was the first to synthesize an organic compound?

Accepted Answer

A) Wohler 
B) Lewis 
C) Watson 
D) Dalton 
E) Kekule 
A) Wohler 
B) Lewis 
C) Watson 
D) Dalton 
E) Kekule

Question 7

If an alkene undergoes a reaction to become an alkane, the newly formed alkane will most likely contain _____ hydrogen atom(s)than the original alkene.

Accepted Answer

A) one more 
B) two more 
C) one fewer 
D) two fewer 
A) one more 
B) two more 
C) one fewer 
D) two fewer

Question 8

Which of these statements is correct?

Accepted Answer

A) Alkanes are saturated hydrocarbons. 
B) Alkenes have a general formula CnH2n. 
C) Alkynes are hydrocarbon chains which contain a triple bond. 
D) Unsaturated hydrocarbons contain at least one multiple bond. 
E) All of the above. 
A) Alkanes are saturated hydrocarbons. 
B) Alkenes have a general formula CnH2n. 
C) Alkynes are hydrocarbon chains which contain a triple bond. 
D) Unsaturated hydrocarbons contain at least one multiple bond. 
E) All of the above.

Question 9

Which of these substances is not an organic compound?
I. Alcohol
II. Asprin
III. Gasoline
IV. Table salt

Accepted Answer

A) I and II 
B) II and III 
C) II and IV 
D) II, III, and IV 
E) IV only 
A) I and II 
B) II and III 
C) II and IV 
D) II, III, and IV 
E) IV only

Question 10

Molecules with the same chemical formula but different structural formulas are known as _____.

Accepted Answer

A) isomers 
B) hydrocarbons 
C) empiricals 
D) stereocenters 
E) radicals 
A) isomers 
B) hydrocarbons 
C) empiricals 
D) stereocenters 
E) radicals

Question 11

Which of the following has the same molecular formula as hexane?

Accepted Answer

A) 3-methylpentane 
B) 2,2-dimethylbutane 
C) cyclohexane 
D) a and b 
E) All of the above 
A) 3-methylpentane 
B) 2,2-dimethylbutane 
C) cyclohexane 
D) a and b 
E) All of the above

Question 12

Which of these can be used to represent octane?

Accepted Answer

A) C8H18 
B) CH3(CH2)6CH3 
C) CH3CH2CH2CH2CH2CH2CH2CH3 
D) All of these are correct. 
A) C8H18 
B) CH3(CH2)6CH3 
C) CH3CH2CH2CH2CH2CH2CH2CH3 
D) All of these are correct.

Question 13

How many carbon atoms are there in a molecule of hexane?

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 7 
E) 8 
A) 4 
B) 5 
C) 6 
D) 7 
E) 8

Question 14

Which of these families is incorrectly matched to its general formula?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 15

Which of these is the correct name of the structure below?

Accepted Answer

A) 2-butanone 
B) butanoic acid 
C) 2-methyl-3-propanone 
D) 3 methyl-2-butanone 
E) 2,2-dimethyl-propanal 
A) 2-butanone 
B) butanoic acid 
C) 2-methyl-3-propanone 
D) 3 methyl-2-butanone 
E) 2,2-dimethyl-propanal

Question 16

Which of these is the correct name for CH3(CH2)4CH3?

Accepted Answer

A) Butene 
B) Octane 
C) Hexane 
D) Nonane 
E) Heptene 
A) Butene 
B) Octane 
C) Hexane 
D) Nonane 
E) Heptene

Question 17

Which of these is the correct name of the structure below?

Accepted Answer

A) 2-ethyl-4-butanone 
B) 2-ethylbutanoic acid 
C) 2-ethyl-butanal 
D) 2-ethyl-3-methylpropanal 
E) 2,3-dimethyl-propanal 
A) 2-ethyl-4-butanone 
B) 2-ethylbutanoic acid 
C) 2-ethyl-butanal 
D) 2-ethyl-3-methylpropanal 
E) 2,3-dimethyl-propanal

Question 18

Which of these scientists is credited with the discovery of carbon's tendency to form four bonds?

Accepted Answer

A) Wohler 
B) Lewis 
C) Kekule 
D) Dalton 
E) Bohr 
A) Wohler 
B) Lewis 
C) Kekule 
D) Dalton 
E) Bohr

Question 19

Which of these is the correct name for the structure represented?

Accepted Answer

A) 2-methylbutene 
B) 2-methyl-1-butene 
C) 2-methyl-2-butene 
D) 2,3-dimethyl-1-butene 
E) 2-methyl-3-ethyl-1-butene 
A) 2-methylbutene 
B) 2-methyl-1-butene 
C) 2-methyl-2-butene 
D) 2,3-dimethyl-1-butene 
E) 2-methyl-3-ethyl-1-butene

Question 20

Which of these is not a subfamily of the hydrocarbon family?

Accepted Answer

A) alkenes 
B) alkynes 
C) alkanes 
D) All of these are correct. 
E) A and B are not correct. 
A) alkenes 
B) alkynes 
C) alkanes 
D) All of these are correct. 
E) A and B are not correct.

Which of these is the correct condensed structural formula for butane?

Which of these is not an alkane?

Which of the following types of compounds do not contain oxygen?

Which of these represents the general formula for alkynes?

Which of these alkanes would be gases at room temperature? I. C₂H₆ II. C₃H₈ III. C₅H₁₀ IV. C₆H₁₄ V.CH₄

Which of these scientists was the first to synthesize an organic compound?

If an alkene undergoes a reaction to become an alkane, the newly formed alkane will most likely contain _____ hydrogen atom(s)than the original alkene.

Which of these statements is correct?

Which of these substances is not an organic compound? I. Alcohol II. Asprin III. Gasoline IV. Table salt

Molecules with the same chemical formula but different structural formulas are known as _____.

Which of the following has the same molecular formula as hexane?

Which of these can be used to represent octane?

How many carbon atoms are there in a molecule of hexane?

Which of these families is incorrectly matched to its general formula?

Which of these is the correct name of the structure below?

Which of these is the correct name for CH₃(CH₂)₄CH₃?

Which of these is the correct name of the structure below?

Which of these scientists is credited with the discovery of carbon's tendency to form four bonds?

Which of these is the correct name for the structure represented?

Which of these is not a subfamily of the hydrocarbon family?

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Exam 6: Organic Chemistry

Which of these is the correct condensed structural formula for butane?

Which of these is not an alkane?

Which of the following types of compounds do not contain oxygen?

Which of these represents the general formula for alkynes?

Which of these alkanes would be gases at room temperature? I. C2H6 II. C3H8 III. C5H10 IV. C6H14 V.CH4

Which of these scientists was the first to synthesize an organic compound?

If an alkene undergoes a reaction to become an alkane, the newly formed alkane will most likely contain _____ hydrogen atom(s)than the original alkene.

Which of these statements is correct?

Which of these substances is not an organic compound? I. Alcohol II. Asprin III. Gasoline IV. Table salt

Molecules with the same chemical formula but different structural formulas are known as _____.

Which of the following has the same molecular formula as hexane?

Which of these can be used to represent octane?

How many carbon atoms are there in a molecule of hexane?

Which of these families is incorrectly matched to its general formula?

Which of these is the correct name of the structure below?

Which of these is the correct name for CH3(CH2)4CH3?

Which of these is the correct name of the structure below?

Which of these scientists is credited with the discovery of carbon's tendency to form four bonds?

Which of these is the correct name for the structure represented?

Which of these is not a subfamily of the hydrocarbon family?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Which of these alkanes would be gases at room temperature? I. C₂H₆ II. C₃H₈ III. C₅H₁₀ IV. C₆H₁₄ V.CH₄

Which of these is the correct name for CH₃(CH₂)₄CH₃?