Question 1

-Which of the compounds shown above is correctly identified by the name 2-Methylbutane?

Accepted Answer

A)  All are 2-Methylbutane.all
B)  none
C)  only (1) 
D)  only (1) and (4)

Question 2

Which of the following notations represents the polypeptide shown below?

Accepted Answer

A)  Gly-Ala-Ser
B)  Gly-Val-Thr
C)  Ser-Ala-Gly
D)  Thr-Val-Gly

Question 3

Which name is not correct?

Accepted Answer

A)  1,2-dichloropentane
B)  2,3-dimethylbutane
C)  2-ethylbutane
D)  4-propylheptane

Question 4

Shown are ball-and-stick (1) and space-filling (2) models of ethylene. 2 C) sp3 D) sp3d" class="answers-bank-image d-inline" rel="preload" >
-What hybrid orbitals are used by carbon to form covalent bonds with hydrogen?

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d

Question 5

What type of hybridization does a carbon atom have in a six-membered aromatic ring?

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d

Question 6

What is the product when pure water and ethene are mixed?

Accepted Answer

A)  an alcohol
B)  a carboxylic acid
C)  an ether
D)  no reaction occurs

Question 7

Identify the functional group:

Accepted Answer

A)  alcohol
B)  amine
C)  amide
D)  ester

Question 8

What compound is formed by the oxidation of 2-butanol?

Accepted Answer

A)  butanal
B)  butanoic acid
C)  2-butanone
D)  2-butene

Question 9

Which compound is not an isomer of the other three?

Accepted Answer

A)  cyclohexane
B)  1,2-dimethylcyclobutane
C)  1,2-dimethylcyclopropane
D)  methylcyclopentane

Question 10

What does the term "alpha" amino acid mean?

Accepted Answer

A)  The amino group attaches to the carbon in the carboxyl group.
B)  The amino group attaches to the carbon next to the carboxylic acid group.
C)  The amino acid contains only one carbon atom.
D)  The amino acid contains only one carboxylic acid group.

Question 11

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.

Question 12

How many grams of Ca(OH) 2 are needed to neutralize 5.00 g of 3-methylbutanoic acid?

Accepted Answer

A)  1) 81 g
B)  2) 10 g
C)  3) 63 g
D)  4) 20 g

Question 13

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.

Question 14

Which one of the following amino acids does not contain a basic side chain?

Accepted Answer

A)  arginine
B)  histidine
C)  lysine
D)  threonine

Question 15

The H-C-H bond angles in acetic acid,shown below,are closest to
O

CH3C-OH

Accepted Answer

A)  90°.
B)  109.5°.
C)  120°.
D)  180°.

Question 16

The major final product of the four stages of catabolism is

Accepted Answer

A)  acetyl CoA.
B)  ATP.
C)  CO2.
D)  fatty acids.

Question 17

What is the name of the following structure?

Accepted Answer

A)  cis-1-ethyl-2-chloroethane
B)  cis-1-chloro-1-butene
C)  trans-1-chloro-1-butene
D)  trans-1-chloro-2-ethylethane

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.

Question 19

Naturally occurring organic molecules that dissolve in nonpolar solvents are called ________ of which the most plentiful in nature are ________ and ________.

Accepted Answer

lipids,ani...

Question 20

In addition to an amine,which functional group do all amino acids contain?

Accepted Answer

A)  an alcohol
B)  an amide
C)  a carboxylic acid
D)  an oxyacid

Exam 23: Organic and Biological Chemistry

Which of the following notations represents the polypeptide shown below?

Correct AnswerverifiedShow Answer

What does the term "alpha" amino acid mean?

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What type of hybridization does a carbon atom have in a six-membered aromatic ring?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Naturally occurring organic molecules that dissolve in nonpolar solvents are called ________ of which the most plentiful in nature are ________ and ________.

Correct Answerverifiedlipids,ani...View AnswerShow Answer

What is the name of the following structure?

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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

Which name is not correct?

Correct AnswerverifiedShow Answer

-Which of the compounds shown above is correctly identified by the name 2-Methylbutane?

Correct AnswerverifiedShow Answer

What is the product when pure water and ethene are mixed?

Correct AnswerverifiedShow Answer

The H-C-H bond angles in acetic acid,shown below,are closest to O  CH3C-OH

Correct AnswerverifiedShow Answer

Shown are ball-and-stick (1) and space-filling (2) models of ethylene. -What hybrid orbitals are used by carbon to form covalent bonds with hydrogen?

Correct AnswerverifiedShow Answer

What compound is formed by the oxidation of 2-butanol?

Correct AnswerverifiedShow Answer

The major final product of the four stages of catabolism is

Correct AnswerverifiedShow Answer

How many grams of Ca(OH) 2 are needed to neutralize 5.00 g of 3-methylbutanoic acid?

Correct AnswerverifiedShow Answer

In addition to an amine,which functional group do all amino acids contain?

Correct AnswerverifiedShow Answer

Which one of the following amino acids does not contain a basic side chain?

Correct AnswerverifiedShow Answer

Which compound is not an isomer of the other three?

Correct AnswerverifiedShow Answer

Identify the functional group:

Correct AnswerverifiedShow Answer

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Naturally occurring organic molecules that dissolve in nonpolar solvents are called of which the most plentiful in nature are and .

Correct Answer
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lipids,ani...
View Answer

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The H-C-H bond angles in acetic acid,shown below,are closest to O  CH₃C-OH

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How many grams of Ca(OH) ₂ are needed to neutralize 5.00 g of 3-methylbutanoic acid?

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