Question 1

What is the classification of the carbon that has an arrow pointing at it in the structure drawn below? o B)  1o C)  2o D)  3o E)  4o" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   0o
B)   1o
C)   2o
D)   3o
E)   4oF) B) and E)
G) C) and D) E

Question 2

Which one of these materials is a copolymer?

Accepted Answer

A)   Polystyrene-polybutadiene
B)   Polyvinyl chloride
C)   Polypropylene
D)   Poly-cis-isoprene
E)   PolyethyleneF) B) and E)
G) D) and E)

Question 3

In which type of isomerism is there restricted rotation around a bond?

Accepted Answer

A)   Stereoisomers
B)   Geometrical isomers
C)   Constitutional isomers
D)   Conformational isomers
E)   Connectivity isomersF) A) and C)
G) A) and B)

Question 4

The backbone of a strand of nucleic acid consists of

Accepted Answer

A)   phosphate units only.
B)   phosphate and sugar units.
C)   polyester.
D)   phosphate, sugar, and nitrogen base units.
E)   sugar units only.F) A) and C)
G) A) and B)

Question 5

Which of these pairs are geometrical isomers?

Accepted Answer

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

Question 6

What is the classification of the carbon that has an arrow pointing at it in the structure drawn below? o B)  1o C)  2o D)  3o E)  4o" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   0o
B)   1o
C)   2o
D)   3o
E)   4oF) A) and D)
G) A) and C)

Question 7

Which has 12 hydrogen atoms?

Accepted Answer

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

Question 8

The two molecules represented below are examples of ________.

Accepted Answer

A)   geometrical isomers
B)   structural isomers
C)   optical isomers
D)   stereoisomers
E)   None of the choices is correct.F) B) and C)
G) None of the above

Question 9

What is the identity of the functional group circled below?

Accepted Answer

A)   Aldehyde
B)   Ketone
C)   Alcohol
D)   Ester
E)   Carboxylic acidF) A) and B)
G) B) and E)

Question 10

Select the correct type for the following reaction.

Accepted Answer

A)   Dehydration
B)   Halogenation
C)   Addition
D)   Elimination
E)   SubstitutionF) A) and E)
G) C) and E)

Question 11

What is the molecular formula for CH3CH2CH2CH(OH) CH2CH3?

Accepted Answer

A)   C4H9O
B)   C6H13O
C)   C5H13O
D)   C6H14O
E)   C6H12OF) B) and D)
G) A) and B)

Question 12

The three molecular units found in nucleotides are ________, ________, and ________-________ ________.

Accepted Answer

phosphate,...

Question 13

Which of the following is the product resulting from addition of HCl to CH3-CH=CH2?

Accepted Answer

A)   CH3Cl + CH2=CH2
B)   CH3-CHCl=CH2
C)   CH3-CH2-CH2Cl
D)   CH3-CHCl-CH3
E)   HCl does not add to alkanes.F) B) and C)
G) A) and E)

Question 14

Which has resonance structures?

Accepted Answer

A)   CH4
B)   CH3CH2COO−
C)   CH3CH2CH3
D)   CH3OH
E)   CH3NH3+F) All of the above
G) A) and B) B

Question 15

In one sentence, what is the general requirement for a molecule to be optically active?

Accepted Answer

In order to be optic...

Question 16

A Kekulé structure is similar to a Lewis structure except that, in a Kekulé structure,

Accepted Answer

A)   double bonds are omitted.
B)   resonance structures are not depicted.
C)   lone pairs are omitted.
D)   carbon atoms are omitted.
E)   wedges and lines are used to denote geometry.F) B) and E)
G) A) and B)

Question 17

What is the molecular formula for the following compound? 16H32 B)  C18H36 C)  C18H38 D)  C17H35 E)  C18H37" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   C16H32
B)   C18H36
C)   C18H38
D)   C17H35
E)   C18H37F) A) and B)
G) A) and C)

Question 18

The most abundant organic chemical on Earth is

Accepted Answer

A)   glycogen.
B)   starch.
C)   cellulose.
D)   glucose.
E)   carbonate.F) A) and B)
G) A) and C)

Question 19

________ and ________ are two polysaccharides (polymers) of glucose with slightly different linkages (alpha and beta).

Accepted Answer

The answer of ________ and ________ are two polysaccharides (polymers)...

Question 20

Name each of the following functional groups: 
a. 
b. 
c. 
d. 
e. 
f.

Accepted Answer

a. Alcohol
b. Ether
...

Exam 23: Metallurgy and the Chemistry of Metals

What is the classification of the carbon that has an arrow pointing at it in the structure drawn below?

Correct AnswerverifiedE

Which one of these materials is a copolymer?

Correct AnswerverifiedShow Answer

In which type of isomerism is there restricted rotation around a bond?

Correct AnswerverifiedShow Answer

The backbone of a strand of nucleic acid consists of

Correct AnswerverifiedShow Answer

Which of these pairs are geometrical isomers?

Correct AnswerverifiedShow Answer

What is the classification of the carbon that has an arrow pointing at it in the structure drawn below?

Correct AnswerverifiedShow Answer

Which has 12 hydrogen atoms?

Correct AnswerverifiedD

The two molecules represented below are examples of ________.

Correct AnswerverifiedShow Answer

What is the identity of the functional group circled below?

Correct AnswerverifiedShow Answer

Select the correct type for the following reaction.

Correct AnswerverifiedShow Answer

What is the molecular formula for CH3CH2CH2CH(OH) CH2CH3?

Correct AnswerverifiedShow Answer

The three molecular units found in nucleotides are ________, ________, and ________-________ ________.

Correct Answerverifiedphosphate,...View AnswerShow Answer

Which of the following is the product resulting from addition of HCl to CH3-CH=CH2?

Correct AnswerverifiedShow Answer

Which has resonance structures?

Correct AnswerverifiedB

In one sentence, what is the general requirement for a molecule to be optically active?

Correct AnswerverifiedIn order to be optic...View AnswerShow Answer

A Kekulé structure is similar to a Lewis structure except that, in a Kekulé structure,

Correct AnswerverifiedShow Answer

What is the molecular formula for the following compound?

Correct AnswerverifiedShow Answer

The most abundant organic chemical on Earth is

Correct AnswerverifiedShow Answer

________ and ________ are two polysaccharides (polymers) of glucose with slightly different linkages (alpha and beta).

Correct AnswerverifiedShow Answer

Name each of the following functional groups: a. b. c. d. e. f.

Correct Answerverifieda. Alcoholb. Ether...View AnswerShow Answer

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E

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D

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What is the molecular formula for CH₃CH₂CH₂CH(OH) CH₂CH₃?

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The three molecular units found in nucleotides are , , and - .

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phosphate,...
View Answer

Which of the following is the product resulting from addition of HCl to CH₃-CH=CH₂?

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B

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In order to be optic...
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and are two polysaccharides (polymers) of glucose with slightly different linkages (alpha and beta).

Correct Answer
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a. Alcohol
b. Ether
...
View Answer