Aprotic solvent - Study guides, Class notes & Summaries
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UMICH CHEM 210 - Exam #3 - Reaction Mechanisms Accurate 100%
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SN1 Reaction - ANSWER- Unimolecular nucleophilic substitution 
- 2 steps 
- Starting with enantiomerically pure product tends to result in some degree of racemization 
- Retention AND inversion at stereocenter (R and S) 
- 1 nucleophile is replaced by another nucleophile 
- Carbocation INTERMEDIATE forms 
- Rate is dependent only on substrate concentration 
 
1. LG leaves, forming a carbocation 
2. Nucleophile attacks the carbocation, forming the product 
 
SN2 Reaction - ANSWER- Bimolecular nuc...
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UMICH CHEM 210 - Exam #3 - Reaction Mechanisms 100% Correct
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UMICH CHEM 210 - Exam #3 - Reaction Mechanisms 100% Correct 
 
 
SN1 Reaction - ANSWER- Unimolecular nucleophilic substitution 
- 2 steps 
- Starting with enantiomerically pure product tends to result in some degree of racemization 
- Retention AND inversion at stereocenter (R and S) 
- 1 nucleophile is replaced by another nucleophile 
- Carbocation INTERMEDIATE forms 
- Rate is dependent only on substrate concentration 
 
1. LG leaves, forming a carbocation 
2. Nucleophile attacks the carbocati...
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CHE 230 EXAM 3 Questions With Complete Solutions
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Is SN2 concerted or stepwise correct answer: Concerted 
 
Is SN1 concerted or stepwise correct answer: Stepwise 
 
When is there a change in configuration in an SN2 correct answer: When alpha position is a chiral center 
 
What type of substrate reacts most quickly for SN2 correct answer: Primary 
 
What type of substrate reacts most quickly for SN1 correct answer: Tertiary (bc more stable carbocation) 
 
What type of nucleophiles favor SN2 correct answer: Strong 
 
List 9 strong nucleophi...
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Organic Chemistry Lab I (CHEM 237) Experiment 10: Phase Transfer Catalysis 100% Correct
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Organic Chemistry Lab I (CHEM 237) Experiment 10: Phase Transfer Catalysis 100% Correct 
List the procedural steps, from start to finish, that are required to convert 2-naphthol and allyl bromide into allyl 2-naphthyl ether. The reaction is performed on a small scale by mixing the alcohol, the haloalkane, and the phase transfer catalyst in a conical vial. Sodium hydoxide (base) is added to initiate the reaction. The reaction flask is covered and stirred to conduct reaction to prevent evaporation...
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UMICH CHEM 210 - Exam #3 - Reaction Mechanisms 100% Correct.
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SN1 Reaction - ANSWER- Unimolecular nucleophilic substitution 
- 2 steps 
- Starting with enantiomerically pure product tends to result in some degree of racemization 
- Retention AND inversion at stereocenter (R and S) 
- 1 nucleophile is replaced by another nucleophile 
- Carbocation INTERMEDIATE forms 
- Rate is dependent only on substrate concentration 
 
1. LG leaves, forming a carbocation 
2. Nucleophile attacks the carbocation, forming the product 
 
SN2 Reaction - ANSWER- Bimolecular nuc...
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CHM 219 MODULE 4 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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1 
CHM 219 MODULE 4 EXAM | QUESTIONS 
& ANSWERS (VERIFIED) | LATEST 
UPDATE | GRADED A+ 
Organohalides 
Correct Answer: Organic molecules contains Halogen atoms. 
Ex. Algae, Mollusk, sponges, can be industrially used - solvents, insecticides, 
herbicides, cleaning fluids, fire retardants, refrigerants. Can also be used as inhaled 
anesthetic. 
More important in organic chemistry because of theur reactivity. 
Two of the most important reaction types typical of organic Halides are.... 
Corr...
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Organic Chemistry : ACS Exams_ACS Organic Final Practice Exam. 70 Questions
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Organic Chemistry : ACS Exams_ACS Organic Final Practice Exam What is the correct Lewis structure for PH3? A. I B. II C. III D. IV E. V 2. Rank the following compounds in decreasing order of b oiling point. A. III > I > IV > II B. II > IV > III > I C. III > I > II > IV D. IV > II > I > III E. I > III > II > IV 3. Which of the following compounds have +1 as a formal charge on an oxygen atom? A. I B. II C. III D. IV E. Both I and IV 4. What is the relat...
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Organic Chemistry A Short Course 13Th Ed By Hart - Test Bank
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Chapter 3 -- Alkenes and Alkynes 
 
MULTIPLE CHOICE 
 
	1.	Which of the following dienes can be classified as conjugated? 
A) 
CH3CH=C=CH2 
B) 
CH3CH=CHCH=CH2 
C) 
CH2=CHCH2CH=CH2 
D) 
CH3CH=CHCH2CH2CH=CH2 
E) 
CH2=C=CH2 
 
 
ANS:	B	TOP:	Alkenes and Alkynes: Nomenclature and Structure 
 
	2.	Which of the following molecular formulas could not represent an alkene? 
A) 
C5H10 
B) 
C7H14 
C) 
C10H20 
D) 
C27H56 
E) 
C31H62 
 
 
ANS:	D	TOP:	Alkenes and Alkynes: Nomenclature and Structure 
 
	3.	What...
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CHEM 210 Exam 3 study Questions and Correct Answers, Complete Solution 2024.
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CHEM 210 Exam 3 study Questions and Correct Answers, Complete Solution 2024. 
 
poor LB 
CA pka<15 + unhindered anion OR uncharged sp3 N,P,S 
CA pka<15 + unhindered anion OR uncharged sp3 N,P,S 
poor LB description 
 
poor LB 
Cl, Br, I, N3, CN, HS, RS, RO2 + uncharged R3N/P, RSH, H2S 
poor LB 
S-R 
poor LB 
HS 
 
poor LB 
CN 
 
poor LB 
N3 
 
poor LB 
O2-R 
poor LB 
N-R3 
 
poor LB 
P-R3 
poor LB 
SH-R 
 
poor LB 
H2S 
 
Cl-, Br-, I- 
poor LB examples 
CA pka 15-30 + unhindered anio...
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ACS Organic Chemistry Exam
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What is the general formula for a carbohydrate? - Correct Answers: Cx(H2O)y 
 
How do you determine the number of stereoisomers for a given carbohydrate? - Correct Answers: 2^n where n= number of stereocenters 
 
Distinguish between the D and L designations for carbohydrates. - Correct Answers: In the L form the hydroxy group is on the bottom left closest to the CH2OH group in the frame of a Fischer projection 
In the D form the OH is on the bottom right 
 
What are anomers? - Correct Answe...
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