Fischer projection - Study guides, Class notes & Summaries
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ACS Organic Chemistry Exam with Questions and 100% Correct Answers/ Graded A+
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What is the general formula for a carbohydrate? - Answer Cx(H2O)y 
How do you determine the number of stereoisomers for a given carbohydrate? - Answer 
2^n where n= number of stereocenters 
Distinguish between the D and L designations for carbohydrates. - Answer 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? - Answer Diastereomers formed by the cyclization of c...
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ACS Biochemistry Test Questions and Correct Answers
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ACS Biochemistry Test Questions and Correct Answers 
Carbohydrates - ANSWER -Broken down to glucose to provide energy 
 
most oxidized in Fischer projection - ANSWER aldehyde group at top 
 
most important monosaccharides 
C6H12O6 
isomers of each other - ANSWER D- Glucose 
D-Galactose 
D-Fructose 
 
carb- Glucose - ANSWER -produced from photosynthesis 
-synthesized in plants from sun 
-produced in living organisms (respiration) 
-CO2, H2O, energy 
 
OH group on rig...
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LEHNINGER PRINCIPLES OF BIOCHEMISTRY: CHAPTER 3 KEY TERMS WITH CORRECT ANSWERS
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amino acids CORRECT ANSWER α-Amino-substituted carboxylic acids, the building blocks of proteins. 
 
residue CORRECT ANSWER A single unit in a polymer; for example, an amino acid in a polypeptide chain. The term reflects the fact that sugars, nucleotides, and amino acids lose a few atoms (generally the elements of water) when incorporated in their respective polymers. 
 
R group CORRECT ANSWER (1) Formally, an abbreviation denoting any alkyl group. (2) Occasionally, used in a more general sense...
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ACS Organic Chemistry Exam Questions & Complete Solutions 2024/2025
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What is the general formula for a carbohydrate? - Correct Answer Cx(H2O)y 
 
How do you determine the number of stereoisomers for a given carbohydrate? - Correct Answer 2^n where n= number of stereocenters 
 
Distinguish between the D and L designations for carbohydrates. - Correct Answer 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 Answer Diast...
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PORTAGE LEARNING CHEM 210 - MODULE 4 EXAM.
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PORTAGE LEARNING CHEM 210 - 
MODULE 4 EXAM. 
Which of the following monosaccharides is a ketose? 
Dihydroxyacetone 
Galactose 
Glucose 
Glyceraldehyde 
Idose 
Dihydroxyacetone 
When two carbohydrates are epimers: 
One is a pyranose, the other a furanose 
One is an aldose, the other a ketose 
They differ in length by one carbon 
They differ only in the configuration about one carbon atom 
They react differently with iodine 
THEY DIFFER ONLY IN THE CONFIGURATION ABOUT ONE CARBON ATOM 
Which pair i...
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Organic Chemistry ACS Final Exam Study Guide
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Organic Chemistry ACS Final Exam 
Study Guide 
Basicity rules - Answer--strong base: unstable/reactive (ED groups) 
-weak base: stable (EW groups/more EN/bigger) 
Chair conformation - Answer--more stable equitorial (slanted) 
-pointing up/pointing down=cis if both up 
-elimination: trans and diaxial 
Newman projection - Answer--gauche: substituent groups adjacent to eachother 
-grab middle and turn to put in plane 
Enantiomers - Answer--not superimposable mirror images 
-same besides stereochemi...
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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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PORTAGE LEARNING CHEM 210 - MODULE 4 EXAM.
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PORTAGE LEARNING CHEM 210 - 
MODULE 4 EXAM. 
Which of the following monosaccharides is a ketose? 
Dihydroxyacetone 
Galactose 
Glucose 
Glyceraldehyde 
Idose 
Dihydroxyacetone 
When two carbohydrates are epimers: 
One is a pyranose, the other a furanose 
One is an aldose, the other a ketose 
They differ in length by one carbon 
They differ only in the configuration about one carbon atom 
They react differently with iodine 
THEY DIFFER ONLY IN THE CONFIGURATION ABOUT ONE CARBON ATOM 
Which pair i...
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Organic Chemistry ACS Final Exam Questions and Answers 100% Solved
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Organic Chemistry ACS Final Exam 
Questions and Answers 100% Solved 
Basicity rules - -strong base: unstable/reactive (ED groups) 
-weak base: stable (EW groups/more EN/bigger) 
Chair conformation - -more stable equitorial (slanted) 
-pointing up/pointing down=cis if both up 
-elimination: trans and diaxial 
Newman projection - -gauche: substituent groups adjacent to eachother 
-grab middle and turn to put in plane 
Enantiomers - -not superimposable mirror images 
-same besides stereochemistry 
...
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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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