Question 1

The carbon-carbon bonds in benzene are _________.

Accepted Answer

A)  of equal length and are shorter than the double bond 
B)  of equal length and are midway between a single bond and a double bond 
C)  of equal length and are longer than the single bond 
D)  of unequal length and alternate as single and double bonds 
E)  none of these 
A)  of equal length and are shorter than the double bond 
B)  of equal length and are midway between a single bond and a double bond 
C)  of equal length and are longer than the single bond 
D)  of unequal length and alternate as single and double bonds 
E)  none of these

Question 2

For a compound to be aromatic, it must have a planar cyclic conjugated $\pi$ system along with an _____ number of electron pairs.

Accepted Answer

A)  even 
B)  odd 
C)  either even or odd 
D)  none of these 
A)  even 
B)  odd 
C)  either even or odd 
D)  none of these

Question 3

According to the molecular orbital theory how many molecular orbitals are formed when the six p-orbitals of benzene combine?

Accepted Answer

A)  6 
B)  5 
C)  4 
D)  3 
E)  2 
A)  6 
B)  5 
C)  4 
D)  3 
E)  2

Question 4

Provide the structure of the major product(s) for the following reaction.

Accepted Answer

The answer of Provide the structure of the major product(s)...

Question 5

Classify the following compounds as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Accepted Answer

I. Aromatic. It is cyclic, planar, conju

Question 6

According to molecular orbital theory, how many non-bonding molecular orbitals does benzene have?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 7

Predict the product for the following reaction.

Accepted Answer

The answer of Predict the product for the following reaction....

Question 8

Which one of the following compounds is antiaromatic?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  none of these 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  none of these

Question 9

Provide the product for the following reaction.

Accepted Answer

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

Question 10

Provide the structure of the major product(s) for the following reaction.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  Both I and II 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  Both I and II

Question 11

Predict the product for the following reaction.

Accepted Answer

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

Question 12

Provide the structure of the major product(s) for the following reaction.

Accepted Answer

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

Question 13

What is the structure for 3-isobutyl-5-isopropylaniline?

Accepted Answer

The answer of What is the structure for 3-isobutyl-5-isopropylaniline?...

Question 14

Which one of the following compounds is aromatic?

Accepted Answer

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

Question 15

A compound with molecular formula C10H14 displays the following IR, 1H NMR, 13C NMR spectra. Propose a structure for this compound.   
 
 SDBS

Accepted Answer

Question 16

Give the common name for toluene.

Accepted Answer

A)  hydroxybenzene 
B)  aminobenzene 
C)  methylbenzene 
D)  ethylbenzene 
E)  methoxybenzene 
A)  hydroxybenzene 
B)  aminobenzene 
C)  methylbenzene 
D)  ethylbenzene 
E)  methoxybenzene

Question 17

According to molecular orbital theory, how many $\pi$-antibonding molecular orbitals does benzene have?

Accepted Answer

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

Question 18

Identify the scientist credited with proposing the structure of benzene.

Accepted Answer

The answer of Identify the scientist credited with proposing the...

Exam 17: Aromatic Compounds

The carbon-carbon bonds in benzene are _________.

For a compound to be aromatic, it must have a planar cyclic conjugated π\piπ system along with an _____ number of electron pairs.

According to the molecular orbital theory how many molecular orbitals are formed when the six p-orbitals of benzene combine?

Provide the structure of the major product(s) for the following reaction.

Classify the following compounds as aromatic, antiaromatic, or nonaromatic. Explain your choice.

According to molecular orbital theory, how many non-bonding molecular orbitals does benzene have?

Predict the product for the following reaction.

Which one of the following compounds is antiaromatic?

Provide the product for the following reaction.

Provide the structure of the major product(s) for the following reaction.

Predict the product for the following reaction.

Provide the structure of the major product(s) for the following reaction.

What is the structure for 3-isobutyl-5-isopropylaniline?

Which one of the following compounds is aromatic?

A compound with molecular formula C10H14 displays the following IR, 1H NMR, 13C NMR spectra. Propose a structure for this compound. SDBS

Give the common name for toluene.

According to molecular orbital theory, how many π\piπ -antibonding molecular orbitals does benzene have?

Identify the scientist credited with proposing the structure of benzene.

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Introduction to Organometallic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

For a compound to be aromatic, it must have a planar cyclic conjugated $\pi$ system along with an _____ number of electron pairs.

A compound with molecular formula C₁₀H₁₄ displays the following IR, ¹H NMR, ¹³C NMR spectra. Propose a structure for this compound. SDBS

According to molecular orbital theory, how many $\pi$ -antibonding molecular orbitals does benzene have?