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Author Question: All Lewis acids can also be classified as Brnsted-Lowry acids. 1.True ... (Read 106 times)

sabina

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on: Aug 23, 2018
All Lewis acids can also be classified as Brnsted-Lowry acids.
  1.True
  2.False

Question 2

How many uncharged resonance structures exist for the following molecule?
 
  1.Only the one shown above
  2.2
  3.3
  4.4
  5.5

Question 3

Anions with the negative charge residing on carbons are called carbanions. In the methyl anion the carbon is sp3 hybridized. What is the hybridization of carbon 1 in the allyl anion?
 
  1.sp3
  2.sp2
  3.sp
  4.sp3d
  5.carbon 1 is not hybridized

Question 4

Consider all equivalent resonance structures for carbonate anion shown below. What is the formal charge on O1?
 
  1.1
  2.2/3
  3.1/2
  4.1/3
  5.0

Question 5

Consider all equivalent resonance structures for the carbonate anion shown below. If the bond order is defined as the number of electron pairs shared between two atoms, what is the average bond order for the C-O1 bond?
 
  1.2
  2.3/2
  3.4/3
  4.1
  5.1/4

Question 6

Which of the following statements is false concerning resonance structures?
  1.The arrangement of nuclei in all contributing structures must be the same.
  2.The arrangement of electrons in each contributing structure is different.
  3.Each atom in a contributing structure must have a completed valence shell.
  4.The contributing structures may have different energies.
  5.All contributing structures must have the correct number of valence electrons.


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l.stuut

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Reply #1 on: Aug 23, 2018
Answer to Question 1

2

Answer to Question 2

3

Answer to Question 3

2

Answer to Question 4

2

Answer to Question 5

3

Answer to Question 6

3


sabina

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Reply #2 on: Aug 23, 2018
TY


l.stuut

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Reply #3 on: Aug 23, 2018
You're welcome


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