Question 1

​ Which of the following is the most stable structural arrangement of geometric isomers?

Accepted Answer

A) Tetrahedral structure 
B) Octahedral structure ​ 
C) Pentagonal bipyramid structure 
D) Trigonal bipyramid structure 
A) Tetrahedral structure 
B) Octahedral structure ​ 
C) Pentagonal bipyramid structure 
D) Trigonal bipyramid structure

Question 2

An unlimited number of carbon atoms can bond together to form chains.

Accepted Answer

A) True 
 B)False

Question 3

The boiling point for normal alkanes will increase as the number of carbons increases.

Accepted Answer

A) True 
 B)False

Question 4

What is the most common type of bond found in organic molecules?

Accepted Answer

A) covalent 
B) ionic 
C) metallic 
D) coordinated 
A) covalent 
B) ionic 
C) metallic 
D) coordinated

Question 5

How many structural isomers are possible for compounds with a molecular formula C4H10?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
A) 2 
B) 3 
C) 4 
D) 5

Question 6

The following two structures would be classified as what?

Accepted Answer

A) geometric isomers 
B) structural isomers 
C) stereoisomers 
D) conformations 
A) geometric isomers 
B) structural isomers 
C) stereoisomers 
D) conformations

Question 7

The condensed structural formula for 2,3-dimethylbutane would be which of the following?

Accepted Answer

A) CH3CH2CH2CH2CH3 
B) CH3CH2C(CH3)2CH2CH3 
C) CH3CH(CH3)CH(CH3)CH3 
D) CH3CH(CH3)CH(CH3)CH2CH3 
A) CH3CH2CH2CH2CH3 
B) CH3CH2C(CH3)2CH2CH3 
C) CH3CH(CH3)CH(CH3)CH3 
D) CH3CH(CH3)CH(CH3)CH2CH3

Question 8

A general formula for cycloalkanes is _____ .

Accepted Answer

A) C2H2n+2 
B) CnH2n 
C) CnH2n − 2 
D) CnH2n − 4 
A) C2H2n+2 
B) CnH2n 
C) CnH2n − 2 
D) CnH2n − 4

Question 9

An organic food is defined as something that contains organic chemicals.

Accepted Answer

A) True 
 B)False

Question 10

A characteristic of the alkanes is that they burn in air.

Accepted Answer

A) True 
 B)False

Question 11

There are more inorganic compounds than organic compounds.

Accepted Answer

A) True 
 B)False

Question 12

Complete combustion of pentane produces _____ .

Accepted Answer

A) CO and H2O 
B) CO2 and H2O 
C) CO2 and CO 
D) CO and C 
A) CO and H2O 
B) CO2 and H2O 
C) CO2 and CO 
D) CO and C

Question 13

Carbon-carbon bonds are usually strong and covalent.

Accepted Answer

A) True 
 B)False

Question 14

Three physical properties shown below beside different alkane series.  Which of the series is(are)listed in the order of increase (lowest to highest)for the corresponding property?

Accepted Answer

A) Density:  C4H10 
B) Melting Point: C8H18 
C) Boiling Point: C5H12 
D) All are correctly ranked. 
A) Density:  C4H10 
B) Melting Point: C8H18 
C) Boiling Point: C5H12 
D) All are correctly ranked.

Question 15

​ Explain the reason why the formula C 3 H 6 cannot represent an alkane.

Accepted Answer

The formula C₃H₆ cannot represent an alkan

Question 16

Which statement is not correct? Functional groups are

Accepted Answer

A) to organic chemistry as polyatomic ions are to inorganic chemistry. 
B) the parts of molecules used to differentiate classifications of organic molecules. 
C) are chemically bound to each other in order to develop larger molecules. 
D) there is more than one correct response. 
A) to organic chemistry as polyatomic ions are to inorganic chemistry. 
B) the parts of molecules used to differentiate classifications of organic molecules. 
C) are chemically bound to each other in order to develop larger molecules. 
D) there is more than one correct response.

Question 17

Organic compounds can contain other elements such as oxygen or nitrogen.

Accepted Answer

A) True 
 B)False

Question 18

The vast number of organic compounds is due to the unique chemistry of carbon. This chemistry involves

Accepted Answer

A) formation of long chains. 
B) cyclization. 
C) isomerism. 
D) More than one answer is correct. 
A) formation of long chains. 
B) cyclization. 
C) isomerism. 
D) More than one answer is correct.

Question 19

Isomers differ from each other in the number of neutrons present in each.

Accepted Answer

A) True 
 B)False

Question 20

The name for the following structure will end with ____.

Accepted Answer

A) ethane 
B) butane 
C) hexane 
D) octane 
A) ethane 
B) butane 
C) hexane 
D) octane

Exam 11: Organic Compounds: Alkanes

​ Which of the following is the most stable structural arrangement of geometric isomers?

An unlimited number of carbon atoms can bond together to form chains.

The boiling point for normal alkanes will increase as the number of carbons increases.

What is the most common type of bond found in organic molecules?

How many structural isomers are possible for compounds with a molecular formula C4H10?

The following two structures would be classified as what?

The condensed structural formula for 2,3-dimethylbutane would be which of the following?

A general formula for cycloalkanes is _____ .

An organic food is defined as something that contains organic chemicals.

A characteristic of the alkanes is that they burn in air.

There are more inorganic compounds than organic compounds.

Complete combustion of pentane produces _____ .

Carbon-carbon bonds are usually strong and covalent.

Three physical properties shown below beside different alkane series. Which of the series is(are)listed in the order of increase (lowest to highest)for the corresponding property?

​ Explain the reason why the formula C 3 H 6 cannot represent an alkane.

Which statement is not correct? Functional groups are

Organic compounds can contain other elements such as oxygen or nitrogen.

The vast number of organic compounds is due to the unique chemistry of carbon. This chemistry involves

Isomers differ from each other in the number of neutrons present in each.

The name for the following structure will end with ____.

Matter, Measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, Bases, and Salts

Radioactivity and Nuclear Processes

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

Which of the following is the most stable structural arrangement of geometric isomers?

How many structural isomers are possible for compounds with a molecular formula C₄H₁₀?

Explain the reason why the formula C ₃ H ₆ cannot represent an alkane.