Question 1

Equal masses of each of the following are reacted with an excess of dioxygen.Which would form the greatest amount of carbon dioxide?

Accepted Answer

A) neopentane 
B) n-pentane 
C) isopentane 
D) Two of these would form equal amounts. 
E) All of these would form equal amounts. 
A) neopentane 
B) n-pentane 
C) isopentane 
D) Two of these would form equal amounts. 
E) All of these would form equal amounts.

Question 2

What is the molecular geometry around each carbon atom in a saturated hydrocarbon?

Accepted Answer

A) tetrahedral 
B) trigonal planar 
C) trigonal bipyramidal 
D) linear 
E) bent 
A) tetrahedral 
B) trigonal planar 
C) trigonal bipyramidal 
D) linear 
E) bent

Question 3

Which of the following is the general formula for an alkane?

Accepted Answer

A) CnH2n+2 
B) C2nH2n-2 
C) CnHn 
D) CnH2n 
E) none of these 
A) CnH2n+2 
B) C2nH2n-2 
C) CnHn 
D) CnH2n 
E) none of these

Question 4

What is the purpose of the circle in the condensed formula given below?

Accepted Answer

A) The circle represents the delocalization of the pi electrons. 
B) The circle represents the delocalization of both the sigma and pi electrons. 
C) The circle represents alternating single and double bonds in the ring. 
D) B and C. 
E) A,B,and C. 
A) The circle represents the delocalization of the pi electrons. 
B) The circle represents the delocalization of both the sigma and pi electrons. 
C) The circle represents alternating single and double bonds in the ring. 
D) B and C. 
E) A,B,and C.

Question 5

Which of the following is a geometric isomer of the structure given below?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 6

The functional group   is characteristic of

Accepted Answer

A) aldehydes. 
B) esters. 
C) ketones. 
D) alcohols. 
E) acids. 
A) aldehydes. 
B) esters. 
C) ketones. 
D) alcohols. 
E) acids.

Question 7

What is the compound represented by the following structure?

Accepted Answer

A) cyclohexane,C6H12 
B) cyclohexene,C6H10 
C) cyclohexatriene,C6H12 
D) benzene,C6H6 
E) cyclohexatriene,C6H9 
A) cyclohexane,C6H12 
B) cyclohexene,C6H10 
C) cyclohexatriene,C6H12 
D) benzene,C6H6 
E) cyclohexatriene,C6H9

Question 8

The compounds 2,3-dimethylbutane and 2-methylpentane are

Accepted Answer

A) functional isomers. 
B) structural isomers. 
C) unrelated. 
D) geometric isomers. 
E) enantiomers. 
A) functional isomers. 
B) structural isomers. 
C) unrelated. 
D) geometric isomers. 
E) enantiomers.

Question 9

Four of the following compounds are structural isomers.Which one is not?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 10

How many structural isomers have the molecular formula C6H14?

Accepted Answer

A) 5 
B) 2 
C) 4 
D) 1 
E) 3 
A) 5 
B) 2 
C) 4 
D) 1 
E) 3

Question 11

Which of the following best describes the bonding in ethylene,CH2=CH2?

Accepted Answer

A) The pi electrons are localized above and below a plane defined by the carbon and hydrogen atoms. 
B) The pi electrons are localized between the two carbons. 
C) Each carbon atom is sp2 hybridized. 
D) A and C. 
E) B and C. 
A) The pi electrons are localized above and below a plane defined by the carbon and hydrogen atoms. 
B) The pi electrons are localized between the two carbons. 
C) Each carbon atom is sp2 hybridized. 
D) A and C. 
E) B and C.

Question 12

What is the major product upon addition of HCl to propene?

Accepted Answer

A) CH3CHClCH2Cl 
B) CH3CH2CH3 
C) CH3CHClCH3 
D) CH3CH2CH2Cl 
E) CH3CHCl=CH2 
A) CH3CHClCH2Cl 
B) CH3CH2CH3 
C) CH3CHClCH3 
D) CH3CH2CH2Cl 
E) CH3CHCl=CH2

Question 13

What is the general structural representation of an alcohol?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 14

How many structural isomers possessing the ether functional group have the molecular formula C5 H12 O?

Accepted Answer

A) 3 
B) 5 
C) 4 
D) more than 5 
E) 2 
A) 3 
B) 5 
C) 4 
D) more than 5 
E) 2

Question 15

Which is the correct condensed structural formula for 3,3-diethylhexane?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 16

What is the molecular formula of a cyclic alkane with 5 carbon atoms?

Accepted Answer

A) C5 H12 
B) C5 H8 
C) C5 H14 
D) C5 H10 
E) C5 H5 
A) C5 H12 
B) C5 H8 
C) C5 H14 
D) C5 H10 
E) C5 H5

Question 17

What is the hybridization of the carbon in the aldehyde functional group?

Accepted Answer

A) sp2 
B) sp3 
C) sp 
D) sp3d 
E) sp3d2 
A) sp2 
B) sp3 
C) sp 
D) sp3d 
E) sp3d2

Question 18

What is the common name for the following compound?
CH3CH2OCH2CH2CH3

Accepted Answer

A) 2-pentanone 
B) pentyl ether 
C) 2-pentanol 
D) propoxyethane 
E) ethyl propyl ether 
A) 2-pentanone 
B) pentyl ether 
C) 2-pentanol 
D) propoxyethane 
E) ethyl propyl ether

Question 19

Which of the following structures is incorrect?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Exam 23: Organic Chemistry

Equal masses of each of the following are reacted with an excess of dioxygen.Which would form the greatest amount of carbon dioxide?

What is the molecular geometry around each carbon atom in a saturated hydrocarbon?

Which of the following is the general formula for an alkane?

What is the purpose of the circle in the condensed formula given below?

Which of the following is a geometric isomer of the structure given below?

The functional group is characteristic of

What is the compound represented by the following structure?

The compounds 2,3-dimethylbutane and 2-methylpentane are

Four of the following compounds are structural isomers.Which one is not?

How many structural isomers have the molecular formula C6H14?

Which of the following best describes the bonding in ethylene,CH2=CH2?

What is the major product upon addition of HCl to propene?

What is the general structural representation of an alcohol?

How many structural isomers possessing the ether functional group have the molecular formula C5 H12 O?

Which is the correct condensed structural formula for 3,3-diethylhexane?

What is the molecular formula of a cyclic alkane with 5 carbon atoms?

What is the hybridization of the carbon in the aldehyde functional group?

What is the common name for the following compound? CH3CH2OCH2CH2CH3

Which of the following structures is incorrect?

Chemistry and Measurement

Atoms, molecules, and Ions

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Ionic and Covalent Bonding

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

The Transition Elements and Coordination Compounds

Polymer Materials: Synthetic and Biological

Filters

How many structural isomers have the molecular formula C₆H₁₄?

Which of the following best describes the bonding in ethylene,CH₂=CH₂?

How many structural isomers possessing the ether functional group have the molecular formula C₅ H₁₂ O?

What is the common name for the following compound? CH₃CH₂OCH₂CH₂CH₃