Question 1

Draw bond-line structures of all of the alcohols that have the formula C4H10O.

Accepted Answer

Question 2

The following molecules all contain the same functional group except 2.
1.CH3OH
2.CH3OCH3
3.CH3CH2OH
4.CH3CH(OH)CH3

Accepted Answer

A) True 
 B)False

Question 3

What is the approximate value of the H−C−H bond angles in methane, CH4?

Accepted Answer

A)  90° 
B)  109° 
C)  120° 
D)  180° 
A)  90° 
B)  109° 
C)  120° 
D)  180°

Question 4

Consider the following molecular model.   The condensed structural formula would be $\quad$$\quad$$\mathrm{CH}_{3} \quad\mathrm{CH}_{3}$
$\quad$$\quad$$\quad$|$\quad$$\quad$$\quad$|
$\mathrm{CH}_{3}-\mathrm{CH}-\mathrm{CH}-\mathrm{CH}_{3}$

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is a tertiary amine?

Accepted Answer

A)  CH3CH2N(CH3)2 
B)  (CH3)3CNH2 
C)  CH3CH2NHCH3 
D)  CH3CH2NHCH(CH3)2 
A)  CH3CH2N(CH3)2 
B)  (CH3)3CNH2 
C)  CH3CH2NHCH3 
D)  CH3CH2NHCH(CH3)2

Question 6

Draw bond-line structures of all of the aldehydes that have the formula C5H10O.

Accepted Answer

Question 7

Which atomic orbitals overlap to form the C−O bond of dimethyl ether, (CH3)2O?

Accepted Answer

A)  C 2sp3 + O 2sp2 
B)  C 2sp2 + O 2p 
C)  C 2sp2 + O 2sp2 
D)  C 2sp3 + O 2sp3 
A)  C 2sp3 + O 2sp2 
B)  C 2sp2 + O 2p 
C)  C 2sp2 + O 2sp2 
D)  C 2sp3 + O 2sp3

Question 8

Which atomic orbitals overlap to form the carbon-hydrogen σ bonding molecular orbitals of ethene, H2C=CH2?

Accepted Answer

A)  C2p + H1s 
B)  C2sp + H1s 
C)  C2sp2 + H1s 
D)  C2sp3 + H1s 
A)  C2p + H1s 
B)  C2sp + H1s 
C)  C2sp2 + H1s 
D)  C2sp3 + H1s

Question 9

Which of the following is a primary (1°) amine?

Accepted Answer

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

Question 10

Which of the following species possesses a formal charge?

Accepted Answer

A)  BH3 
B)  BH4 
C)  CCl4 
D)  H2S 
A)  BH3 
B)  BH4 
C)  CCl4 
D)  H2S

Question 11

Which of the following compounds is a ketone?

Accepted Answer

A)  CH3CH2COOH 
B)  CH3CH2CHO 
C)  CH3CH2CH2OH 
D)  CH3COCH3 
A)  CH3CH2COOH 
B)  CH3CH2CHO 
C)  CH3CH2CH2OH 
D)  CH3COCH3

Question 12

Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in water (H2O) and which contain the lone pair of electrons. Label each orbital with its hybridization.

Accepted Answer

Question 13

How many electrons can the shell with a principal quantum number of 2 hold?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  8 
A)  1 
B)  2 
C)  4 
D)  8

Question 14

Which of the following is trigonal planar?

Accepted Answer

A)  boron trifluoride, BF3 
B)  methyl anion, CH3− 
C)  methane, CH4 
D)  ammonia, NH3 
A)  boron trifluoride, BF3 
B)  methyl anion, CH3− 
C)  methane, CH4 
D)  ammonia, NH3

Question 15

Consider the following structural formula.   The following is a resonance structure.

Accepted Answer

A) True 
 B)False

Question 16

Convert the following structure into a bond-line drawing.

Accepted Answer

The answer of Convert the following structure into a bond-line...

Question 17

How many electrons are there in the valence shell of the carbon atom of a methyl cation, CH3+?

Accepted Answer

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

Question 18

The hybridization on the numbered carbon atoms in the following compound would be Carbon 1 sp3 and Carbon 2 sp2.

Accepted Answer

A) True 
 B)False

Question 19

Draw bond-line structures of all of the primary (1°) alcohols that have the formula C5H12O.

Accepted Answer

Question 20

Which of the following elements has the highest electronegativity?

Accepted Answer

A)  C 
B)  P 
C)  Si 
D)  Cl 
A)  C 
B)  P 
C)  Si 
D)  Cl

Exam 1: Covalent Bonding and Shapes of Molecules

Draw bond-line structures of all of the alcohols that have the formula C4H10O.

The following molecules all contain the same functional group except 2. 1.CH3OH 2.CH3OCH3 3.CH3CH2OH 4.CH3CH(OH)CH3

What is the approximate value of the H−C−H bond angles in methane, CH4?

Consider the following molecular model. The condensed structural formula would be \quad\quadCH3CH3\mathrm{CH}_{3} \quad\mathrm{CH}_{3}CH3​CH3​ \quad\quad\quad | \quad\quad\quad | CH3−CH−CH−CH3\mathrm{CH}_{3}-\mathrm{CH}-\mathrm{CH}-\mathrm{CH}_{3}CH3​−CH−CH−CH3​

Which of the following is a tertiary amine?

Draw bond-line structures of all of the aldehydes that have the formula C5H10O.

Which atomic orbitals overlap to form the C−O bond of dimethyl ether, (CH3)2O?

Which atomic orbitals overlap to form the carbon-hydrogen σ bonding molecular orbitals of ethene, H2C=CH2?

Which of the following is a primary (1°) amine?

Which of the following species possesses a formal charge?

Which of the following compounds is a ketone?

Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in water (H2O) and which contain the lone pair of electrons. Label each orbital with its hybridization.

How many electrons can the shell with a principal quantum number of 2 hold?

Which of the following is trigonal planar?

Consider the following structural formula. The following is a resonance structure.

Convert the following structure into a bond-line drawing.

How many electrons are there in the valence shell of the carbon atom of a methyl cation, CH3+?

The hybridization on the numbered carbon atoms in the following compound would be Carbon 1 sp3 and Carbon 2 sp2.

Draw bond-line structures of all of the primary (1°) alcohols that have the formula C5H12O.

Which of the following elements has the highest electronegativity?

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

Draw bond-line structures of all of the alcohols that have the formula C₄H₁₀O.

The following molecules all contain the same functional group except 2. 1.CH₃OH 2.CH₃OCH₃ 3.CH₃CH₂OH 4.CH₃CH(OH)CH₃

What is the approximate value of the H−C−H bond angles in methane, CH₄?

Draw bond-line structures of all of the aldehydes that have the formula C₅H₁₀O.

Which atomic orbitals overlap to form the C−O bond of dimethyl ether, (CH₃)₂O?

Which atomic orbitals overlap to form the carbon-hydrogen σ bonding molecular orbitals of ethene, H₂C=CH₂?

Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in water (H₂O) and which contain the lone pair of electrons. Label each orbital with its hybridization.

How many electrons are there in the valence shell of the carbon atom of a methyl cation, CH₃⁺?

The hybridization on the numbered carbon atoms in the following compound would be Carbon 1 sp³ and Carbon 2 sp².

Draw bond-line structures of all of the primary (1°) alcohols that have the formula C₅H₁₂O.