Aldol condensation Study guides, Class notes & Summaries

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

Structure of 6,13-diphenylpentacene correct answer: 5 aromatic rings with 2 phenols attached at 6 and 13 What is the purpose of base in the aldol condensation reaction? correct answer: To react with an alpha hydrogen to form a nucleophile (the enolate anion) and as a catalyst Hexynide lithium reacts with 6,13-diphenylpentacene via.... correct answer: Nucleophilic addition to carbonyl What is the role of tin(II) chloride in the synthesis of pentacene derivative? correct answer: it re...

C-P AAMC Fl #3 Exam Questions and Answers 2024 For a thermodynamic mixture of isomeric products -Answer-the relative mole ratio of products is directly related to the relative stability of these products #2. What can be inferred from the results of scheme A about the relative thermodynamic stabilities of Compounds 4a and 4b -Answer-Compound 4a is more stable than 4b The image shows that 4a is produced 60% and 4b 40%. --So 4a will be more stable among the two thermodynamic products #3. Whi...

TAMU CHEM 238 FINAL EXAM QUESTIONS AND ANSWERS RATED A+ 1. Reaction of ethyl magnesium bromide with water will generate? a. ethanol b. ethane c. butane d. ethyl magnesium hydroxide e. a peroxide b 2. Under conditions of thermodynamic control, product distribution is governed by: a. the relative stabilities of the products b. the relative energies of the transition states leading to the products c. the rate at which each product is formed d. a and b e. b and c a 3. Which of the followi...

1. Reaction of ethyl magnesium bromide with water will generate? a. ethanol b. ethane c. butane d. ethyl magnesium hydroxide e. a peroxide - b 2. Under conditions of thermodynamic control, product distribution is governed by: a. the relative stabilities of the products b. the relative energies of the transition states leading to the products c. the rate at which each product is formed d. a and b e. b and c - a 3. Which of the following statements is false for the reduction of camphor...

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CHEM 239 Organic Chemistry - University of Washington. Quiz Section _ Chapter 22 WorksheetChem 239 Chapter 22 Worksheet Work in groups of 3-4 to solve the following problems. Some of these questions are meant to be challenging and to encourage a productive discussion with your groupmates. This worksheet is substantially longer than 50 minutes and is designed to provide extra practice for you after the quiz section. Complete at least 2 questions to earn participation credit. Make sure all group m...

Unsaturated fatty acids - have one or more C=C bonds Saturated fatty acids - Have no C=C bonds What are the ways that biodiesel is produced commercially? Which method is the predominant method? - 1) Base-catalyzed transesterification of the oil with methanol and one used in lab. 2)Acid-catalyzed esterification of the oil with methanol 3) Saponification of the oil to yield free fatty acids, followed by acid catalyzed esterification. Match the products and catalyst for the following tran...

Unsaturated fatty acids ______________. correct answer: have one or more C=C saturated fatty acids _________________. correct answer: do not have ANY C=C bonds, only C-C. what ways is biodiesel produced commercially? correct answer: * base catalyzed transesterification of the oil with methanol (what we used) * acid catalyzed esterification of the oil with methanol *saponification of the oil to yield free fatty acids, then acid catalyzed esterification FAME stands for: correct answe...

AAMC Thermodynamic Compound Question and Answers 2023/2024 What can be inferred from the results of scheme A about the relative thermodynamic stabilities of Compounds 4a and 4b A. Compound 4a is less stable than Compound 4b. B. They are equally stable. C. Nothing can be inferred about relative thermodynamic stabilities. D. Compound 4a is more stable than Compound 4b. - correct answer Compound 4a is more stable than 4b The image shows that 4a is produced 60% and 4b 40%. --So 4a w...