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Ian R Gould  > igould@asu.edu CHM 234 : General Organic Chemistry II  > Spring 2012
 CHM 234/238
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Each week I will provide suggested problems and other material. The problems will not be graded, they are for you to practice with

 
Test material can come from the textbook, your notes, assigned problems or problem sets. We do not have time to cover every topic in detail in class. If a subject is "taught" in an assigned problem on this page or in one of the problem sets, then I consider it to be "fair game" for a test.

I do not assign textbook reading each week, since it is difficult to me to know in advance exactly what topic we will be covering each week. However, in the Lecture Notes page, there is given a detailed list that relates the lecture notes to the relevant textbook chapters, so that you can design your own advance reading schedule if you wish.

On each midterm and final exam there will be one 5 pt. extra credit question that is taken from one of the "O-Chem in Real Life" links that are posted here every week.
Feb 13th : Week 7

You should expect to be able to do these problems by the END of the week, although sometimes we don't get as far as I think we will, so if something looks unfamiliar, we may just not have covered it yet
Check the assigned TEXTBOOK problems for this section of the notes
Website Problems:
Ether/Epoxide Reactions (these are updated since last week)
Diels-Alder Reactions (from last week)
Molecular orbitals of Conjugated Systems
Additional Retrosynthesis Problems. You may not cover all of the reactions required to solve these problems until the end of the week, or perhaps next week, depending upon how fast we go! Most of these are from last week, I don't have many problems that include conjugated reactions, this is a moore conceptual part of the course.
Problem 1 : Answer
Problem 2 : Answer
Problem 3 : Answer
Problem 4 : Answer
Problem 5 : Answer

Each week until the end of the semester there will be assigned problems from the ASU Retrosynthesis website. Some of these problems are for credit, others are for you to practice with. Problems will be assigned each week, but you can revisit these problems at any time. All login problems should now be solved, but we still have the problem with certain browsers not recording your credit properly. Don't worry, nobody will lose any credit because of this problem. You should login using your last name in all lowercase, together with your posting ID. The number of questions that are available for credit varies each week, I don't know how many credit questions will be posted this semester, the total credits will be normalized to a maximum of 40 points at the end of the semester. To access the website, click HERE.

There will be 2 spectrum problems to solve each week, starting with a molecular formula, this is how they will be on a test:
Combined Spectral Problem #1
Combined Spectral Problem #2
Do you like art? | youtube1 | youtube2 |O-Chem in real Life 7: Anti-Bonding Orbitals
Feb 6th : Week 6

You should expect to be able to do these problems by the END of the week, although sometimes we don't get as far as I think we will, so if something looks unfamiliar, we may just not have covered it yet
Check the assigned TEXTBOOK problems for this section of the notes
Website Problems:
Ether/Epoxide Nomenclature
Ether/Epoxide Reactions
Diels-Alder Reactions
Additional Retrosynthesis Problems. You may not cover all of the reactions required to solve these problems until the end of the week, or perhaps next week, depending upon how fast we go!
Problem 1 : Answer
Problem 2 : Answer
Problem 3 : Answer
Problem 4 : Answer

Each week until the end of the semester there will be assigned problems from the ASU Retrosynthesis website. Some of these problems are for credit, others are for you to practice with. Problems will be assigned each week, but you can revisit these problems at any time. I think that we have got rid of most of the bugs now, but I don't pretend that this site is the finished product yet! You should now be able to login using your last name in all lowercase, together with your posting ID. The number of questions that are available for credit varies each week, I don't know how many credit questions will be posted this semester, the total credits will be normalized to a maximum of 40 points at the end of the semester. To access the website, click HERE.

There will be 2 spectrum problems to solve each week, starting with a molecular formula, this is how they will be on a test:
Combined Spectral Problem #1
Combined Spectral Problem #2
Do you like art? | youtube1 | youtube2 |O-Chem in real Life 6: Hydrogen Bonding
January 30th : Week 5

You should expect to be able to do these problems by the END of the week, although sometimes we don't get as far as I think we will, so if something looks unfamiliar, we may just not have covered it yet
Check the assigned TEXTBOOK problems for this section of the notes
Website Problems:
Alcohol Nomenclature (from last week)
Alcohol Acidity (from last week)
Alcohol Reagents
Alcohol Reagents
Reactions that make Alcohols
Practice Making C-C Bonds (backwards)
Additional Retrosynthesis Problems. You may not cover all of the reactions required to solve these problems until the end of the week, or perhaps next week, depending upon how fast we go!
Problem 1 : Answer
Problem 2 : Answer
Problem 3 : Answer
Problem 4 : Answer
Problem 5 : Answer
Problem 6 : Answer
Problem 7 : Answer
Problem 8 : Answer
Problem 9 : Answer
Problem 10 : Answer
Problem 11 : Answer

There will be 2 spectrum problems to solve each week, starting with a molecular formula, this is how they will be on a test:
Combined Spectral Problem #1
Combined Spectral Problem #2
Do you like art? | youtube1 | youtube2 | O-Chem in real Life 5: Ene-Diyne
January 23rd : Week 4

You should expect to be able to do these problems by the END of the week, although sometimes we don't get as far as I think we will, so if something looks unfamiliar, we may just not have covered it yet
Check the assigned TEXTBOOK problems for this section of the notes
Website Problems:
Acetylide Reactions (from last week)
Cumulative Problems (from last week)
Alcohol Nomenclature
Alcohol Acidity
Additional Retrosynthesis Problems. You may not cover all of the reactions required to solve these problems until the end of the week, or perhaps next week, depending upon how fast we go!
Problem 1 : Answer
Problem 2 : Answer
Problem 3 : Answer
Problem 4 : Answer
Problem 5 : Answer

There will be 2 spectrum problems to solve each week, starting with a molecular formula, this is how they will be on a test:
Combined Spectral Problem #1
Combined Spectral Problem #2
Do you like art? | youtube1 | youtube2 | O-Chem in real Life 4: Alcohol
January 16th : Week 3

You should expect to be able to do these problems by the END of the week, although sometimes we don't get as far as I think we will, so if something looks unfamiliar, we may just not have covered it yet
Check the assigned TEXTBOOK problems for this section of the notes
Website Problems:
Alkyne Nomenclature (from last week)
Alkyne Reactions
Acetylide Reactions
Cumulative Problems
Additional Retrosynthesis Problems. You may not cover all of the reactions required to solve these problems until the end of the week, or perhaps next week, depending upon how fast we go!
Problem 1 : Answer
Problem 2 : Answer
Problem 3 : Answer
Problem 4 : Answer
Problem 5 : Answer
Problem 6 : Answer
Problem 7 : Answer

There will be 2 spectrum problems to solve each week, starting with a molecular formula, this is how they will be on a test:
Combined Spectral Problem #1
Combined Spectral Problem #2
Do you like art? | youtube1 | youtube2 |O-Chem in real Life 3: Organic Metals
January 9th : Week 2

You should expect to be able to do these problems by the END of the week, although sometimes we don't get as far as I think we will, so if something looks unfamiliar, we may just not have covered it yet
Check the assigned TEXTBOOK problems for this section of the notes
Website Problems:
Alkyne Nomenclature
Retrosynthesis Practice
SN2 Reactions in Reverse
1st Semester Synthesis Reactions (from last week)
Identifying Synthons (from last week)
There will be 2 spectrum problems to solve each week, starting with a molecular formula, this is how they will be on a test:
Combined Spectral Problem #1
Combined Spectral Problem #2
Do you like art? | youtube1 | youtube2 | O-Chem in real Life 2: Multi-Step Synthesis?
January 2nd : Week 1

You should expect to be able to do these problems by the END of the week, although sometimes we don't get as far as I think we will, so if something looks unfamiliar, we may just not have covered it yet
Check the assigned TEXTBOOK problems for this section of the notes
Website Problems:
1st Semester Synthesis Reactions
Identifying Synthons
Do you like art? | youtube1 | youtube2 | O-Chem in real Life 1: Why Study Organic Chemistry?