Question 1

The functional groups in the molecule below are O O     HCCH2COCH3

Accepted Answer

A) alkane,aldehyde,and ester. 
B) alkane,aldehyde,ketone,and ether. 
C) alkane,carboxylic acid,and ester. 
D) alkane,ketone,and ester. 
A) alkane,aldehyde,and ester. 
B) alkane,aldehyde,ketone,and ether. 
C) alkane,carboxylic acid,and ester. 
D) alkane,ketone,and ester.

Question 2

Which of the molecules shown below are unsaturated? (1)CH3CH2CH2CH(CH3)2
(2)CH3CH=CHCH(CH3)2
(3)HC   CCH2CH(CH3)2

Accepted Answer

A) All are unsaturated. 
B) Only (2)and (3)are unsaturated. 
C) Only (2)is unsaturated. 
D) Only (3)is unsaturated. 
A) All are unsaturated. 
B) Only (2)and (3)are unsaturated. 
C) Only (2)is unsaturated. 
D) Only (3)is unsaturated.

Question 3

Which condensed structure below representing an alkane is not correct?

Accepted Answer

A) CH3CH2CH3 
B) 
  
C) CH3CH2CH2CH3 
D) 
  
A) CH3CH2CH3 
B) 
  
C) CH3CH2CH2CH3 
D)

Question 4

Which of the following condensed structures represent the same molecule?

Accepted Answer

A) I and II 
B) II and IV 
C) III and IV 
D) II and III 
A) I and II 
B) II and IV 
C) III and IV 
D) II and III

Question 5

Which one of the following molecules is the most polar?

Accepted Answer

A) acetylene 
B) benzoic acid 
C) diethylether 
D) 2,3-dimethylhexane 
A) acetylene 
B) benzoic acid 
C) diethylether 
D) 2,3-dimethylhexane

Question 6

The number of different monochloro substitution products (C5H11Cl)that can form from the reaction of 2,2-dimethylpropane with Cl2 is ________.

Accepted Answer

Question 7

Which one of the following molecules can rotate freely around its carbon-carbon bond?

Accepted Answer

A) benzene 
B) cyclopropane 
C) pentane 
D) ethene 
A) benzene 
B) cyclopropane 
C) pentane 
D) ethene

Question 8

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 9

What is the empirical and molecular formulas of 1-tert-butyl-2-methylcyclodecane?

Accepted Answer

The answer of What is the empirical and molecular formulas...

Question 10

Identify the amino acid shown below.

Accepted Answer

A) Alanine (Ala) 
B) Glycine (Gly) 
C) Isoleucine (Ile) 
D) Leucine (Leu) 
A) Alanine (Ala) 
B) Glycine (Gly) 
C) Isoleucine (Ile) 
D) Leucine (Leu)

Question 11

-In the figure above,which are branched hydrocarbons?

Accepted Answer

A) All are branched hydrocarbons. 
B) None are branched hydrocarbons. 
C) only (1)and (4) 
D) only (1), (2),and (4) 
A) All are branched hydrocarbons. 
B) None are branched hydrocarbons. 
C) only (1)and (4) 
D) only (1), (2),and (4)

Question 12

-Which of these molecules above have a partial positive charge (δ+)on the carbon atom?

Accepted Answer

A) only (1) 
B) only (3) 
C) (1)and (3) 
D) (2)and (4) 
A) only (1) 
B) only (3) 
C) (1)and (3) 
D) (2)and (4)

Question 13

The base sequences in mRNA that code for particular amino acids are Trp: UGG,Phe: UUU,and Glu: GAA.What is the peptide that is produced from the DNA sequence: CTTACCAAA?

Accepted Answer

A) Glu-Phe-Trp 
B) Glu-Trp-Phe 
C) Phe-Trp-Glu 
D) Trp-Glu-Phe 
A) Glu-Phe-Trp 
B) Glu-Trp-Phe 
C) Phe-Trp-Glu 
D) Trp-Glu-Phe

Question 14

Which of the following statements about cycloalkanes is true?

Accepted Answer

A) The bonds in cyclopropane and cyclobutane are weaker than other cycloalkanes. 
B) Cycloalkanes are also called "acyclic" compounds. 
C) Cyclopropane has 109° bond angles. 
D) Most cycloalkanes are planar molecules. 
A) The bonds in cyclopropane and cyclobutane are weaker than other cycloalkanes. 
B) Cycloalkanes are also called "acyclic" compounds. 
C) Cyclopropane has 109° bond angles. 
D) Most cycloalkanes are planar molecules.

Question 15

Identify the amino acid shown below.

Accepted Answer

A) Asparagine (Asn) 
B) Aspartic acid (Asp) 
C) Glutamic acid (Glu) 
D) Glutamine (Gln) 
A) Asparagine (Asn) 
B) Aspartic acid (Asp) 
C) Glutamic acid (Glu) 
D) Glutamine (Gln)

Question 16

Identify the amino acid shown below.

Accepted Answer

A) Asparagine (Asn) 
B) Aspartic acid (Asp) 
C) Glutamic acid (Glu) 
D) Glutamine (Gln) 
A) Asparagine (Asn) 
B) Aspartic acid (Asp) 
C) Glutamic acid (Glu) 
D) Glutamine (Gln)

Question 17

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

Question 18

To which family does this organic compound belong?

Accepted Answer

A) alcohol 
B) aldehyde 
C) ether 
D) ketone 
A) alcohol 
B) aldehyde 
C) ether 
D) ketone

Question 19

Identify the amino acid shown below.

Accepted Answer

A) Alanine (Ala) 
B) Glycine (Gly) 
C) Isoleucine (Ile) 
D) Leucine (Leu) 
A) Alanine (Ala) 
B) Glycine (Gly) 
C) Isoleucine (Ile) 
D) Leucine (Leu)

Question 20

Which is an amino acid nonpolar neutral side chain?

Accepted Answer

A) -CH3 
B) -CH2OH 
C) -CH2CO2H 
D) -CH2CH2CH2CH2NH2 
A) -CH3 
B) -CH2OH 
C) -CH2CO2H 
D) -CH2CH2CH2CH2NH2

Exam 23: Connections to Organic and Biological Chemistry

The functional groups in the molecule below are O O HCCH2COCH3

Which of the molecules shown below are unsaturated? (1)CH3CH2CH2CH(CH3)2 (2)CH3CH=CHCH(CH3)2 (3)HC CCH2CH(CH3)2

Which condensed structure below representing an alkane is not correct?

Which of the following condensed structures represent the same molecule?

Which one of the following molecules is the most polar?

The number of different monochloro substitution products (C5H11Cl)that can form from the reaction of 2,2-dimethylpropane with Cl2 is ________.

Which one of the following molecules can rotate freely around its carbon-carbon bond?

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

What is the empirical and molecular formulas of 1-tert-butyl-2-methylcyclodecane?

Identify the amino acid shown below.

-In the figure above,which are branched hydrocarbons?

-Which of these molecules above have a partial positive charge (δ+)on the carbon atom?

The base sequences in mRNA that code for particular amino acids are Trp: UGG,Phe: UUU,and Glu: GAA.What is the peptide that is produced from the DNA sequence: CTTACCAAA?

Which of the following statements about cycloalkanes is true?

Identify the amino acid shown below.

Identify the amino acid shown below.

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

To which family does this organic compound belong?

Identify the amino acid shown below.

Which is an amino acid nonpolar neutral side chain?

Chemical Tools: Experimentation and Measurement

Atoms, molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Periodicity and the Electronic Structure of Atoms

Ionic Compounds: Periodic Trends and Bonding

Covalent Bonding and Electron-Dot Structures

Covalent Compounds: Bonding Theories and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids, solids, and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

The Main-Group Elements

Filters

The functional groups in the molecule below are O O HCCH₂COCH₃

Which of the molecules shown below are unsaturated? (1)CH₃CH₂CH₂CH(CH₃)₂ (2)CH₃CH=CHCH(CH₃)₂ (3)HC CCH₂CH(CH₃)₂

The number of different monochloro substitution products (C₅H₁₁Cl)that can form from the reaction of 2,2-dimethylpropane with Cl₂ is ________.

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