CHEM126 – CHAPTER 20 – REGULAR HOMEWORK

 

CHAPTER 20 REGULAR HOMEWORK:

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Question 17

 

State which compound in each of the following pairs you expect to have the higher boiling point. Explain your answer.

(a) CH3OCH3 or (b) CH3CH2CH2CH=CH2
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Question 18

 

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Question 19

 

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Question 20

 

Name the following compound.

 

 

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Question 21

 

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Question 22

 

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Question 23

 

Which of the following types of organic compounds lacks an sp2-hybridized carbon center? Why?
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Question 24

 

Rank the following compounds according to increasing solubility in water.

I. CH3–CH2–CH2–CH3
II. CH3–CH2–O–CH2–CH3
III. CH3–CH2–OH
IV. CH3–OH

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Question 25

 

Rank the following compounds according to expected increasing solubility in benzene.

I. CH3–CH2–CH2–CH3
II. CH3–CH2–O–CH2–CH3
III. CH3–CH2–OH
IV. CH3–OH

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Question 26

 

 

Tetracyanoethylene has the skeleton shown below. From its Lewis structure determine how many sigma and pi bonds are in the molecule.

 

 

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