Question 1

Which of the following elements has the highest electronegativity?

Accepted Answer

A)  N 
B)  C 
C)  O 
D)  S 
A)  N 
B)  C 
C)  O 
D)  S

Question 2

Which of the following is an ionic bond?

Accepted Answer

A)  Br-Br 
B)  C-Cl 
C)  C-S 
D)  Na-O 
A)  Br-Br 
B)  C-Cl 
C)  C-S 
D)  Na-O

Question 3

Which atomic orbitals overlap to form the C=O bond of acetone, (CH3)2C=O?

Accepted Answer

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

Question 4

Which of the following best represents an sp3 hybridized atomic orbital containing the lone pair of electrons of ammonia, NH3?

Accepted Answer

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

Question 5

Which of the following is a tertiary (3$\degree$) alcohol?

Accepted Answer

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

Question 6

What is the approximate value of the H-C-H bond angles in a methyl cation, CH3+?

Accepted Answer

A)  90$\degree$ 
B)  109$\degree$ 
C)  120$\degree$ 
D)  180$\degree$ 
A)  90$\degree$ 
B)  109$\degree$ 
C)  120$\degree$ 
D)  180$\degree$

Question 7

Which of the following species possesses a formal charge?

Accepted Answer

A)  CCl4 
B)  SiCl4 
C)  AlCl4 
D)  PCl3 
A)  CCl4 
B)  SiCl4 
C)  AlCl4 
D)  PCl3

Question 8

Which atomic orbitals overlap to form the carbon-hydrogen s bonding molecular orbitals of ethyne, HCºCH?

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 statements is not true regarding resonance structures?

Accepted Answer

A)  Each resonance structure is in rapid equilibrium with all of the other structures 
B)  The resonance structures may have different energies 
C)  All resonance structures must have the same arrangement of atoms 
D)  All resonance structures must have the same number of electrons 
A)  Each resonance structure is in rapid equilibrium with all of the other structures 
B)  The resonance structures may have different energies 
C)  All resonance structures must have the same arrangement of atoms 
D)  All resonance structures must have the same number of electrons

Question 10

What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11)?

Accepted Answer

A)  1s22s22p63s1 
B)  1s22s22p53s1 
C)  1s22s22p6 
D)  1s22s22p63s2 
A)  1s22s22p63s1 
B)  1s22s22p53s1 
C)  1s22s22p6 
D)  1s22s22p63s2

Question 11

Which of the following is a polar covalent bond?

Accepted Answer

A)  Na-Cl 
B)  C-Cl 
C)  C-H 
D)  Cl-Cl 
A)  Na-Cl 
B)  C-Cl 
C)  C-H 
D)  Cl-Cl

Question 12

Which of the following is a tertiary alcohol?

Accepted Answer

A)  CH3CH2OCH3 
B)  (CH3)3COH 
C)  (CH3)2CHOH 
D)  CH3CH2CH2OH 
A)  CH3CH2OCH3 
B)  (CH3)3COH 
C)  (CH3)2CHOH 
D)  CH3CH2CH2OH

Question 13

Which of the following best represents the shape of the 2s atomic orbital of carbon?

Accepted Answer

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

Question 14

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 15

Which of the following is a secondary (2$\degree$) amine?

Accepted Answer

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

Which of the following elements has the highest electronegativity?

Which of the following is an ionic bond?

Which atomic orbitals overlap to form the C=O bond of acetone, (CH₃)₂C=O?

Which of the following best represents an sp³ hybridized atomic orbital containing the lone pair of electrons of ammonia, NH₃?

Which of the following is a tertiary (3 $\degree$ ) alcohol? $Which of the following is a tertiary (3 \degree ) alcohol?$

What is the approximate value of the H-C-H bond angles in a methyl cation, CH₃⁺?

Which of the following species possesses a formal charge?

Which atomic orbitals overlap to form the carbon-hydrogen s bonding molecular orbitals of ethyne, HCºCH?

Which of the following statements is not true regarding resonance structures?

What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11)?

Which of the following is a polar covalent bond?

Which of the following is a tertiary alcohol?

Which of the following best represents the shape of the 2s atomic orbital of carbon?

Which of the following compounds is a ketone?

Which of the following is a secondary (2 $\degree$ ) amine? $Which of the following is a secondary (2 \degree ) amine?$

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

Filters

Exam 1: Covalent Bonding and Shapes of Molecules

Which of the following elements has the highest electronegativity?

Which of the following is an ionic bond?

Which atomic orbitals overlap to form the C=O bond of acetone, (CH3)2C=O?

Which of the following best represents an sp3 hybridized atomic orbital containing the lone pair of electrons of ammonia, NH3?

Which of the following is a tertiary (3 °\degree° ) alcohol?

What is the approximate value of the H-C-H bond angles in a methyl cation, CH3+?

Which of the following species possesses a formal charge?

Which atomic orbitals overlap to form the carbon-hydrogen s bonding molecular orbitals of ethyne, HCºCH?

Which of the following statements is not true regarding resonance structures?

What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11)?

Which of the following is a polar covalent bond?

Which of the following is a tertiary alcohol?

Which of the following best represents the shape of the 2s atomic orbital of carbon?

Which of the following compounds is a ketone?

Which of the following is a secondary (2 °\degree° ) amine?

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

Filters

Which atomic orbitals overlap to form the C=O bond of acetone, (CH₃)₂C=O?

Which of the following best represents an sp³ hybridized atomic orbital containing the lone pair of electrons of ammonia, NH₃?

Which of the following is a tertiary (3 $\degree$ ) alcohol? $Which of the following is a tertiary (3 \degree ) alcohol?$

What is the approximate value of the H-C-H bond angles in a methyl cation, CH₃⁺?

Which of the following is a secondary (2 $\degree$ ) amine? $Which of the following is a secondary (2 \degree ) amine?$