Question 1

Convert the model below into skeletal structure.

Accepted Answer

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

Question 2

Several volatile compounds are responsible for the aroma of plums.One of these compounds is linalool whose a skeletal structure is shown below.Convert it into Kekulé structure.

Accepted Answer

The answer of Several volatile compounds are responsible for the...

Question 3

How many sp2 hybridized carbons are present in allene (H2C=C=CH2)?

Accepted Answer

A) 0 
B) 1 
C) 1)5 
D) 2 
E) 3 
A) 0 
B) 1 
C) 1)5 
D) 2 
E) 3

Question 4

Draw the Kekulé structure for each of the following:
a.CH3CH2OH b.CH3CHO c.(CH3)3C+

Accepted Answer

Question 5

The lone-pair electrons of the methyl anion occupy a(n)________ orbital.

Accepted Answer

A) s 
B) p 
C) sp 
D) sp2 
E) sp3 
A) s 
B) p 
C) sp 
D) sp2 
E) sp3

Question 6

Identify the compound(s)that have a nonzero dipole moment.You may choose more than one answer.

Accepted Answer

A) CH3NH2 
B) CO2 
C) CH3OCH3 
D) (CH3)2C   C(CH3)2 
E) BCl3 
A) CH3NH2 
B) CO2 
C) CH3OCH3 
D) (CH3)2C   C(CH3)2 
E) BCl3

Question 7

In 2015,the European Space Agency's Philae Lander detected the presence of methylisocyanate CH3NCO on the comet 67P.Draw the Lewis structure of this compound,showing all lone pairs.

Accepted Answer

Question 8

Both sigma (σ)and pi (π)bonds can be formed by overlapping p orbitals.Describe the difference.

Accepted Answer

Sigma bonds are formed from the overlap

Question 9

What kind of molecular orbital (σ,σ*,π,or π*)results when the two atomic orbitals shown below interact in the manner indicated?

Accepted Answer

The answer of What kind of molecular orbital (σ,σ*,π,or π*)results...

Question 10

Which of the following statements correctly describes the third electron shell that surrounds the nucleus of an atom?

Accepted Answer

A) The third shell contains only s and p atomic orbitals. 
B) The maximum number of electrons that can occupy the third shell is 18. 
C) The total number of atomic orbitals present in the third shell is 16. 
D) The third shell can contain f orbitals. 
E) All third shell elements must have d electrons. 
A) The third shell contains only s and p atomic orbitals. 
B) The maximum number of electrons that can occupy the third shell is 18. 
C) The total number of atomic orbitals present in the third shell is 16. 
D) The third shell can contain f orbitals. 
E) All third shell elements must have d electrons.

Question 11

Nitrous oxide N2O,also known as laughing gas is often used in surgery and dentistry for its anesthetic and analgesic effects.Draw its Lewis structure?

Accepted Answer

Question 12

What kind of molecular orbital (σ,σ*,π,or π*)results when the two atomic orbitals shown below interact in the manner indicated?

Accepted Answer

The answer of What kind of molecular orbital (σ,σ*,π,or π*)results...

Question 13

Provide the mathematical equation for the dipole moment of a bond,and identify the variables.

Accepted Answer

μ = e × d,where μ is the bond

Question 14

Several volatile compounds are responsible for the aroma of plums.One of these compounds is γ-decalactone whose Kekulé structure is shown below.Convert it into a skeletal structure.

Accepted Answer

The answer of Several volatile compounds are responsible for the...

Question 15

Which of the following molecules does not exhibit a net dipole moment of zero?

Accepted Answer

A) CO2 
B) CH4 
C) CCl4 
D) H2O 
E) SO3 
A) CO2 
B) CH4 
C) CCl4 
D) H2O 
E) SO3

Question 16

The compound methylamine,CH3NH2,contains a C-N bond.In this bond,which of the following best describes the charge on the nitrogen atom?

Accepted Answer

A) +1 
B) slightly positive 
C) uncharged 
D) slightly negative 
E) -1 
A) +1 
B) slightly positive 
C) uncharged 
D) slightly negative 
E) -1

Question 17

Which of the following is the most likely electronic structure for C2H2?

Accepted Answer

A)    
B)    
C)    
D) H-C   C-H 
E)    
A)    
B)    
C)    
D) H-C   C-H 
E)

Question 18

Give the H-C-H bond angle in H2CO.

Accepted Answer

A) 60 
B) 90 
C) 109.5 
D) 120 
E) 180 
A) 60 
B) 90 
C) 109.5 
D) 120 
E) 180

Question 19

What orbitals overlap to create the C-H bond in ethene (H2C=CH2)?

Accepted Answer

A) s-sp 
B) s-sp2 
C) s-sp3 
D) s-p 
E) p-p 
A) s-sp 
B) s-sp2 
C) s-sp3 
D) s-p 
E) p-p

Question 20

In what type of orbital are the lone pair electrons of methoxide (CH3O-)found ?

Accepted Answer

A) s 
B) p 
C) sp 
D) sp2 
E) sp3 
A) s 
B) p 
C) sp 
D) sp2 
E) sp3

Exam 1: Remembering General Chemistry: Electronic Structure and Bonding

Convert the model below into skeletal structure.

Several volatile compounds are responsible for the aroma of plums.One of these compounds is linalool whose a skeletal structure is shown below.Convert it into Kekulé structure.

How many sp2 hybridized carbons are present in allene (H2C=C=CH2)?

Draw the Kekulé structure for each of the following: a.CH3CH2OH b.CH3CHO c.(CH3)3C+

The lone-pair electrons of the methyl anion occupy a(n)________ orbital.

Identify the compound(s)that have a nonzero dipole moment.You may choose more than one answer.

In 2015,the European Space Agency's Philae Lander detected the presence of methylisocyanate CH3NCO on the comet 67P.Draw the Lewis structure of this compound,showing all lone pairs.

Both sigma (σ)and pi (π)bonds can be formed by overlapping p orbitals.Describe the difference.

What kind of molecular orbital (σ,σ*,π,or π*)results when the two atomic orbitals shown below interact in the manner indicated?

Which of the following statements correctly describes the third electron shell that surrounds the nucleus of an atom?

Nitrous oxide N2O,also known as laughing gas is often used in surgery and dentistry for its anesthetic and analgesic effects.Draw its Lewis structure?

What kind of molecular orbital (σ,σ*,π,or π*)results when the two atomic orbitals shown below interact in the manner indicated?

Provide the mathematical equation for the dipole moment of a bond,and identify the variables.

Several volatile compounds are responsible for the aroma of plums.One of these compounds is γ-decalactone whose Kekulé structure is shown below.Convert it into a skeletal structure.

Which of the following molecules does not exhibit a net dipole moment of zero?

The compound methylamine,CH3NH2,contains a C-N bond.In this bond,which of the following best describes the charge on the nitrogen atom?

Which of the following is the most likely electronic structure for C2H2?

Give the H-C-H bond angle in H2CO.

What orbitals overlap to create the C-H bond in ethene (H2C=CH2)?

In what type of orbital are the lone pair electrons of methoxide (CH3O-)found ?

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

How many sp² hybridized carbons are present in allene (H₂C=C=CH₂)?

Draw the Kekulé structure for each of the following: a.CH₃CH₂OH b.CH₃CHO c.(CH₃)₃C⁺

In 2015,the European Space Agency's Philae Lander detected the presence of methylisocyanate CH₃NCO on the comet 67P.Draw the Lewis structure of this compound,showing all lone pairs.

What kind of molecular orbital (σ,σ,π,or π)results when the two atomic orbitals shown below interact in the manner indicated?

Nitrous oxide N₂O,also known as laughing gas is often used in surgery and dentistry for its anesthetic and analgesic effects.Draw its Lewis structure?

What kind of molecular orbital (σ,σ,π,or π)results when the two atomic orbitals shown below interact in the manner indicated?

The compound methylamine,CH₃NH₂,contains a C-N bond.In this bond,which of the following best describes the charge on the nitrogen atom?

Which of the following is the most likely electronic structure for C₂H₂?

Give the H-C-H bond angle in H₂CO.

What orbitals overlap to create the C-H bond in ethene (H₂C=CH₂)?

In what type of orbital are the lone pair electrons of methoxide (CH₃O^-)found ?