Question 1

Consider the following conversion.  Use this reacton to answer the following questions.
-The first step in this conversion would be reaction with:

Accepted Answer

A)   Mg/ether
B)   PCC
C)   oxiraneD) All of the above
E) B) and C)

Question 2

What reactive intermediates are involved in the following reaction? 3C: −)  and dichlorocarbene (Cl2C:)  B)  the trichloromethyl cation (Cl3C+)  C)  the cyclohexyl carbocation D)  the cyclic chloronium ion derived from cyclohexene" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   the trichloromethyl anion (Cl3C: −)  and dichlorocarbene (Cl2C:) 
B)   the trichloromethyl cation (Cl3C+) 
C)   the cyclohexyl carbocation
D)   the cyclic chloronium ion derived from cyclohexeneE) All of the above
F) B) and D)

Question 3

Which combination(s)  of alkyl bromide and epoxide can be used to prepare the following product by addition of the Grignard reagent derived from the alkyl bromide to the epoxide?

Accepted Answer

A)   only 1
B)   only 2
C)   only 1 and 3
D)   only 2 and 4E) B) and C)
F) A) and C)

Question 4

Which of the following is the best choice of solvent for the formation of phenylmagnesium bromide by the reaction of bromobenzene with magnesium?

Accepted Answer

A)   water
B)   methanol
C)   diethyl ether
D)   acetic acidE) A) and D)
F) All of the above

Question 5

Which of the following alcohols can be prepared from a Grignard reagent and ethylene oxide?

Accepted Answer

A)   only 1 and 2
B)   only 1 and 4
C)   only 1, 2 and 3
D)   only 2 and 4E) C) and D)
F) A) and C)

Question 6

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) All of the above
F) A) and C)

Question 7

Identify the final product of the following reaction. ​

Accepted Answer

A)  
B)  
C)  
D)  E) A) and B)
F) A) and C)

Question 8

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 9

Which of the following bonds has the most ionic character?

Accepted Answer

A)   C−Al
B)   C−Hg
C)   C−Mg
D)   C−ZnE) B) and D)
F) C) and D)

Question 10

Which of the following molecules are deprotonated by ethylmagnesium bromide?

Accepted Answer

A)   phenol, PhOH
B)   propyne, CH3C≡CH
C)   dimethylamine, (CH3) 2NH
D)   all of theseE) A) and B)
F) A) and C)

Question 11

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

The answer of What is the major organic product obtained...

Question 12

Which of the following alcohols can be prepared from a Grignard reagent and ethylene oxide?

Accepted Answer

A)   only 1
B)   only 1 and 2
C)   only 1, 2 and 3
D)   1, 2, 3 and 4E) All of the above
F) C) and D)

Question 13

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 14

Consider the following reaction.  The name of the product that should be placed in the box is __________________.

Accepted Answer

The answer of Consider the following reaction.  The name...

Question 15

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and B)
F) C) and D)

Question 16

If the electronegativity of carbon is 2.5 and the electronegativity of lithium is 1.0, then the percent ionic character of the carbon-lithium bond is _____%.

Accepted Answer

A)   60
B)   61
C)   65
D)   56E) None of the above
F) All of the above

Question 17

Consider the reaction below to answer the following question(s). 
-The reaction intermediate formed by the reaction of KOH with the alkene is called_____________.

Accepted Answer

The answer of Consider the reaction below to answer the...

Question 18

The addition of a dichlorocarbene to an alkene will show _____ stereoselectivity.

Accepted Answer

The answer of The addition of a dichlorocarbene to an...

Question 19

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) B) and D)
F) C) and D)

Question 20

Identify the final product of the following reaction. ​

Accepted Answer

A)  
B)  
C)  
D)  E) None of the above
F) B) and C)

Exam 15: An Introduction to Organometallic Compounds

Consider the following reaction. The name of the product that should be placed in the box is __________________.

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Which of the following bonds has the most ionic character?

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Consider the reaction below to answer the following question(s). -The reaction intermediate formed by the reaction of KOH with the alkene is called_____________.

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What is the major organic product obtained from the following reaction?

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Identify the final product of the following reaction. ​

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What is the major organic product obtained from the following reaction?

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Which of the following alcohols can be prepared from a Grignard reagent and ethylene oxide?

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Which of the following is the best choice of solvent for the formation of phenylmagnesium bromide by the reaction of bromobenzene with magnesium?

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What is the major organic product obtained from the following sequence of reactions?

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Which combination(s) of alkyl bromide and epoxide can be used to prepare the following product by addition of the Grignard reagent derived from the alkyl bromide to the epoxide?

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The addition of a dichlorocarbene to an alkene will show _____ stereoselectivity.

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What is the major organic product obtained from the following reaction?

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What is the major organic product obtained from the following sequence of reactions?

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What is the major organic product obtained from the following reaction?

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Which of the following alcohols can be prepared from a Grignard reagent and ethylene oxide?

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What reactive intermediates are involved in the following reaction?

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Identify the final product of the following reaction. ​

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Which of the following molecules are deprotonated by ethylmagnesium bromide?

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Consider the following conversion. Use this reacton to answer the following questions. -The first step in this conversion would be reaction with:

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If the electronegativity of carbon is 2.5 and the electronegativity of lithium is 1.0, then the percent ionic character of the carbon-lithium bond is _____%.

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Identify the final product of the following reaction.

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Identify the final product of the following reaction.

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