Question 1

What is the ground-state electronic configuration of a fluorine atom?

Accepted Answer

A) 1s2,2s2,2p2 
B) 1s2,2s2,2p3 
C) 1s2,2s2,2p4 
D) 1s2,2s2,2p5 
A) 1s2,2s2,2p2 
B) 1s2,2s2,2p3 
C) 1s2,2s2,2p4 
D) 1s2,2s2,2p5

Question 2

How many different isomers are there for a compound having the molecular formula C3H6O?

Accepted Answer

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

Question 3

How many constitutional isomers are there for a molecule having the molecular formula C3H6?

Accepted Answer

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

Question 4

Which of the following resonance structures is the least important contributor to the resonance hybrid of the formate anion,HCOO-?

Accepted Answer

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

Question 5

Which of the following compounds are non-polar?

Accepted Answer

A) I,IV 
B) I,II 
C) II,III 
D) II,IV 
A) I,IV 
B) I,II 
C) II,III 
D) II,IV

Question 6

What is the ground-state electronic configuration of a carbon atom?

Accepted Answer

A) 1s2,2s2,2p5 
B) 1s2,2s2,2p2 
C) 1s2,2s2,2p6 
D) 1s2,2s2,2p4 
A) 1s2,2s2,2p5 
B) 1s2,2s2,2p2 
C) 1s2,2s2,2p6 
D) 1s2,2s2,2p4

Question 7

Which of the following molecules has polar covalent bonds?

Accepted Answer

A) MgO 
B) NH3 
C) Cl2 
D) NaBr 
A) MgO 
B) NH3 
C) Cl2 
D) NaBr

Question 8

Which of the following Lewis structures is correct?

Accepted Answer

A) I,II 
B) I,III 
C) II,III 
D) III,IV 
A) I,II 
B) I,III 
C) II,III 
D) III,IV

Question 9

Which atomic orbitals overlap to form the C-H s bonding molecular orbitals of ethylene,H2C=CH2?

Accepted Answer

A) C2p + H1s 
B) Csp + H1s 
C) Csp3 + H1s 
D) Csp2 + H1s 
A) C2p + H1s 
B) Csp + H1s 
C) Csp3 + H1s 
D) Csp2 + H1s

Question 10

Avobenzone is an active ingredient in some common sunscreens.Which of the following is the correct molecular formula for avobenzone?

Accepted Answer

A) C22O22O3 
B) C20H22O3 
C) C21H23O3 
D) C20H24O3 
A) C22O22O3 
B) C20H22O3 
C) C21H23O3 
D) C20H24O3

Question 11

What 2 things will change between two resonance structures?

Accepted Answer

A) The position of multiple bonds and non-bonded electrons. 
B) The position of multiple bonds and single bonds. 
C) The placement of atoms and single bonds. 
D) The placement of atoms and non-bonded electrons. 
A) The position of multiple bonds and non-bonded electrons. 
B) The position of multiple bonds and single bonds. 
C) The placement of atoms and single bonds. 
D) The placement of atoms and non-bonded electrons.

Question 12

Which compound contains the most polar bond?

Accepted Answer

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

Question 13

Which of the following is the appropriate conversion of (CH3)4C to a skeletal structure?

Accepted Answer

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

Question 14

Which of the following Lewis structures is correct?

Accepted Answer

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

Question 15

Which of the following is the appropriate conversion of (CH3)2CHCH2CHClCH3 to a skeletal structure?

Accepted Answer

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

Question 16

Which atomic orbitals overlap to form the carbon-carbon s and p bonding molecular orbitals of ethylene,H2C=CH2?

Accepted Answer

A) Csp3 + Csp3,and C2p + C2p 
B) Csp3 + Csp3,and Csp2 + Csp2 
C) Csp2 + Csp2,and C2p + C2p 
D) Csp2 + Csp2,and Csp2 + Csp2 
A) Csp3 + Csp3,and C2p + C2p 
B) Csp3 + Csp3,and Csp2 + Csp2 
C) Csp2 + Csp2,and C2p + C2p 
D) Csp2 + Csp2,and Csp2 + Csp2

Question 17

In which of the following ions does carbon have a formal charge?

Accepted Answer

A) I 
B) II 
C) III 
D) None of these 
A) I 
B) II 
C) III 
D) None of these

Exam 1: Structure and Bonding

What is the ground-state electronic configuration of a fluorine atom?

How many different isomers are there for a compound having the molecular formula C3H6O?

How many constitutional isomers are there for a molecule having the molecular formula C3H6?

Which of the following resonance structures is the least important contributor to the resonance hybrid of the formate anion,HCOO-?

Which of the following compounds are non-polar?

What is the ground-state electronic configuration of a carbon atom?

Which of the following molecules has polar covalent bonds?

Which of the following Lewis structures is correct?

Which atomic orbitals overlap to form the C-H s bonding molecular orbitals of ethylene,H2C=CH2?

Avobenzone is an active ingredient in some common sunscreens.Which of the following is the correct molecular formula for avobenzone?

What 2 things will change between two resonance structures?

Which compound contains the most polar bond?

Which of the following is the appropriate conversion of (CH3)4C to a skeletal structure?

Which of the following Lewis structures is correct?

Which of the following is the appropriate conversion of (CH3)2CHCH2CHClCH3 to a skeletal structure?

Which atomic orbitals overlap to form the carbon-carbon s and p bonding molecular orbitals of ethylene,H2C=CH2?

In which of the following ions does carbon have a formal charge?

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols,ethers,and Related Compounds

Alkenes and Addition Reactions

Alkynes and Synthesis

Oxidation and Reduction

Radical Reactions

Conjugation,resonance,and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones - Nucleophilic Addition

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives Nucleophilic Acyl Substitution

Substitution Reactions of Carbonyl Compounds at the a Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Spectroscopy A: Mass Spectrometry

Spectroscopy B: Infrared Spectroscopy

Spectroscopy C: Nuclear Magnetic Resonance Spectroscopy

Filters

How many different isomers are there for a compound having the molecular formula C₃H₆O?

How many constitutional isomers are there for a molecule having the molecular formula C₃H₆?

Which of the following resonance structures is the least important contributor to the resonance hybrid of the formate anion,HCOO^-?

Which atomic orbitals overlap to form the C-H s bonding molecular orbitals of ethylene,H₂C=CH₂?

Which of the following is the appropriate conversion of (CH₃)₄C to a skeletal structure?

Which of the following is the appropriate conversion of (CH₃)₂CHCH₂CHClCH₃ to a skeletal structure?

Which atomic orbitals overlap to form the carbon-carbon s and p bonding molecular orbitals of ethylene,H₂C=CH₂?