Question 1

In organic molecules the molecular geometry exhibited by carbon is ________ when carbon is bonded to four atoms by four single bonds,________ when carbon is bonded to three atoms by one double bond and two single bonds,and ________ when carbon is bonded to two atoms by one triple bond and one single bond.

Accepted Answer

tetrahedra...

Question 2

Shown are ball-and-stick (1) and space-filling (2) models of acetylene. 
-What is the H-C-C bond angle?

Accepted Answer

A)  90°
B)  109.5°
C)  120°
D)  180°E) A) and B)
F) A) and C)

Question 3

Lipids are characterized by what property?

Accepted Answer

A)  chemical reactivity
B)  chemical structure
C)  refractive index
D)  solubilityE) None of the above
F) A) and D)

Question 4

Based on the structure of its side chains,the amino acid shown below can be classified as

Accepted Answer

A)  acidic.
B)  basic.
C)  neutral,non-polar.
D)  neutral,polar.E) B) and D)
F) All of the above

Question 5

Identify the following amine base found in nucleic acids.

Accepted Answer

A)  Adenine (
A)  
B)  Cytosine (
C)  
C)  Thymine (T) 
D)  Uracil (U) E) B) and D)
F) B) and C)

Question 6

What is the molecular geometry around the carbon in (CH3) 2C=CHCN indicated by the
Asterisk (*) ?

Accepted Answer

A)  linear
B)  trigonal planar
C)  trigonal pyramidal
D)  tetrahedralE) B) and C)
F) A) and D)

Question 7

When toluene C6H5CH3 is reacted with Br2/FeBr3,the number of different products that can be formed is ________.

Accepted Answer

Question 8

Which is the condensed structure of a straight-chain hydrocarbon?

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) C) and D)
F) None of the above

Question 9

Sucrose,common table sugar,when hydrolyzed will form ________.

Accepted Answer

A)  amylose and glycogen
B)  cellulose and starch
C)  glucose and fructose
D)  lactose and maltoseE) A) and B)
F) A) and C)

Question 10

Based on the structure of its side chains,the amino acid shown below can be classified as

Accepted Answer

A)  acidic.
B)  basic.
C)  neutral,non-polar.
D)  neutral,polar.E) A) and B)
F) C) and D)

Question 11

The most important synthetic chemical reactions that alkenes and alkynes undergo are called

Accepted Answer

A)  addition reactions.
B)  combustion reactions.
C)  photochemical halogenation reactions.
D)  substitution reactions.E) A) and D)
F) A) and C)

Question 12

The molecule CH3CH2CO2CH2CO2H contains an ________ functional group and a ________ functional group.

Accepted Answer

ester,carb...

Question 13

What is the IUPAC name of the following alkane?

Accepted Answer

A)  decane
B)  2,4-dimethyloctane
C)  5,7-dimethyloctane
D)  1,1,3-trimethylheptaneE) A) and D)
F) A) and C)

Question 14

The molecules CH3CH2CH2CH2CCH and CH3CH2CH2CH2CH=CH2,respectively,belong to the ________ family and the ________ family of organic molecules.

Accepted Answer

Question 15

Which of the following amino acids contains a benzyl group?

Accepted Answer

A)  glycine
B)  isoleucine
C)  methionine
D)  phenylalanineE) B) and C)
F) A) and D)

Question 16

Which of the following bases pairs with adenine in DNA?

Accepted Answer

A)  cytosine
B)  guanine
C)  thymine
D)  uracilE) All of the above
F) A) and C)

Question 17

The nucleotide sequence,T-A-G,stands for

Accepted Answer

A)  threonine-alanine-glutamine
B)  thymine-adenine-guanine
C)  tyrosine-asparagine-glutamic acid
D)  None of theseE) B) and C)
F) A) and D)

Question 18

Based on the structure of its side chains,the amino acid shown below can be classified as

Accepted Answer

A)  acidic.
B)  basic.
C)  neutral,non-polar.
D)  neutral,polar.E) None of the above
F) All of the above

Question 19

The amide bonds that form when two or more amino acids link together are called ________ bonds.

Accepted Answer

The answer of The amide bonds that form when two...

Question 20

Monosaccharides are classified as either ________ or ________.

Accepted Answer

The answer of Monosaccharides are classified as either ________ or...

Exam 23: Organic and Biological Chemistry

What is the IUPAC name of the following alkane?

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Correct Answerverifiedtetrahedra...View AnswerShow Answer

Lipids are characterized by what property?

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The most important synthetic chemical reactions that alkenes and alkynes undergo are called

Correct AnswerverifiedShow Answer

Identify the following amine base found in nucleic acids.

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Monosaccharides are classified as either ________ or ________.

Correct AnswerverifiedShow Answer

Based on the structure of its side chains,the amino acid shown below can be classified as

Correct AnswerverifiedShow Answer

Based on the structure of its side chains,the amino acid shown below can be classified as

Correct AnswerverifiedShow Answer

Sucrose,common table sugar,when hydrolyzed will form ________.

Correct AnswerverifiedShow Answer

The amide bonds that form when two or more amino acids link together are called ________ bonds.

Correct AnswerverifiedShow Answer

Which is the condensed structure of a straight-chain hydrocarbon?

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When toluene C6H5CH3 is reacted with Br2/FeBr3,the number of different products that can be formed is ________.

Correct AnswerverifiedShow Answer

Based on the structure of its side chains,the amino acid shown below can be classified as

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Which of the following bases pairs with adenine in DNA?

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The molecule CH3CH2CO2CH2CO2H contains an ________ functional group and a ________ functional group.

Correct Answerverifiedester,carb...View AnswerShow Answer

What is the molecular geometry around the carbon in (CH3) 2C=CHCN indicated by the Asterisk (*) ?

Correct AnswerverifiedShow Answer

The nucleotide sequence,T-A-G,stands for

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The molecules CH3CH2CH2CH2CCH and CH3CH2CH2CH2CH=CH2,respectively,belong to the ________ family and the ________ family of organic molecules.

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Which of the following amino acids contains a benzyl group?

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Shown are ball-and-stick (1) and space-filling (2) models of acetylene. -What is the H-C-C bond angle?

Correct AnswerverifiedShow Answer

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tetrahedra...
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Monosaccharides are classified as either or .

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When toluene C₆H₅CH₃ is reacted with Br₂/FeBr₃,the number of different products that can be formed is ________.

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The molecule CH₃CH₂CO₂CH₂CO₂H contains an functional group and a functional group.

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ester,carb...
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What is the molecular geometry around the carbon in (CH₃) ₂C=CHCN indicated by the Asterisk (*) ?

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The molecules CH₃CH₂CH₂CH₂CCH and CH₃CH₂CH₂CH₂CH=CH₂,respectively,belong to the family and the family of organic molecules.

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