Lewis Acid/Lewis Base Reactions:

Question #1: 
Which of the following statements describes one of the curvy arrows for the reaction shown below?

An arrow starts at a carbon atom and ends at a bromine atom.
An arrow starts at an iron atom and ends at a bromine atom.
An arrow starts at the bond between carbon and bromine and ends at an iron atom.
An arrow starts at a bromine atom and ends at an iron atom. 
Both 1 and 2.


Question #2: 
Which of the following statements is true for the reaction shown below?

FeBr3 is a Lewis Acid.
FeBr3 is a Lewis Base.
CH3-CH2-CH2-Br is an electrophile.
CH3-CH2-CH2-Br is a Lewis Acid
Both 3 and 4.


Question #3: 
Which of the following statements describes one of the curvy arrows for the reaction shown below?

An arrow starts at a carbon atom and ends at an oxygen atom.
An arrow starts at an oxygen atom and ends at a bromine atom.
An arrow starts at the bond between carbon and bromine and ends at the bromine atom.
An arrow starts at an oxygen atom and ends at a carbon atom.
both 3 and 4


Question #4: 
Which of the following statements is true for the reaction shown below?

CH3-CH2-CH2-Br is a Lewis Base.
The hydroxide ion is an electrophile.
CH3-CH2-CH2-Br is an electrophile.
The hydroxide ion is a Lewis Acid.
Both 1 and 4.


Question #5: 
 Which of the following statements describes one of the curvy arrows for the reaction shown below?

An arrow starts at a carbon atom and ends at a boron atom.
An arrow starts at a carbon atom and ends at a fluorine atom.
An arrow starts at the double bond between the two carbon atoms and ends at a boron atom.
An arrow starts at a boron atom and ends at a carbon atom.
An arrow starts at a boron atom and ends at the double bond between the two carbon atoms.


Question #6: 
 Which of the following statements is true for the reaction shown below?

CH3-CH=CH2 is a Lewis Base.
CH3-CH=CH2 is a Lewis Acid.
BF3 is a nucleophile.
CH3-CH=CH2 is an electrophile.
both 2 and 3


Question #7: 
Which of the following statements describes one of the curvy arrows for the reaction shown below?

 

An arrow starts at an oxygen atom and ends at a carbon atom.
An arrow starts at the carbon that is double bonded to an oxygen and ends the  carbon with the negative formal
      charge .
An arrow starts at the carbon with the negative formal charge and ends the carbon that is double bonded to an         
      oxygen.
An arrow starts at the double bond between carbon and oxygen and ends at  the oxygen atom.
both 3 and 4.


Question #8: 
Which of the following statements is true for the reaction shown below? 

The first compound is a Lewis Base.
The first compound is a Lewis Acid.
The second compound is a nucleophile.
The second compound is a Lewis Base.
both 2 and 4.


Question #9: 
Which of the following statements describes one of the curvy arrows for the reaction shown below?

An arrow starts at a nitrogen atom and ends at a carbon atom.
An arrow starts at a nitrogen atom and ends at a hydrogen atom.
An arrow starts at a nitrogen atom and ends at another nitrogen atom.
An arrow starts at a carbon atom and ends at a nitrogen atom.
An arrow starts at a hydrogen atom and ends at a nitrogen atom.


Question #10: 
Which of the following statements is true for the reaction shown below? 

HCN is a Lewis acid.
HCN is a Lewis base.
HCN is a nucleophile.
NH3 is a Lewis base.
both 1 and 4.