Steric hindrance - Study guides, Class notes & Summaries

AAMC MCAT Practice Exam 1 with correct answers 2023 In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? A) Hydrogen bonding B) Solute concentration C) Stationary phase concentration D) Thickness of paper - correct answer A) Hydrogen bonding The answer to this question is A because the relative amount of hydrogen bonding to the stati...

AAMC FL 1 FULL REVIEW- Chem/Phys Questions and Answers 2023 In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? A.Hydrogen bonding B.Solute concentration C.Stationary phase concentration D.Thickness of paper B and D are dumb options. Knock them out. hydrogen bonding to the stationary phase will determine the relative rate of migrati...

AAMC practice test scored 100% in chromatography of the reaction mixture, water is absorbed on cellulose functioned as the stationary phase - what is the principal factor determine the migration of individual components in the sample? -Answer-HYDROGEN BONDING (determines rate of migration) dehydration reaction (tertiary OH to double bond) occurs most readily with what OH? reaction involves loss of WATER molecule and the reaction has a CARBOCATION intermediate -Answer-tertiary alcohols am...

AAMC FL 1 FULL REVIEW- Chem/Phys Question with complete solution 2023In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? A.Hydrogen bonding B.Solute concentration C.Stationary phase concentration D.Thickness of paper B and D are dumb options. Knock them out. hydrogen bonding to the stationary phase will determine the relative rate of...

AAMC practice test scored 100% in chromatography of the reaction mixture, water is absorbed on cellulose functioned as the stationary phase - what is the principal factor determine the migration of individual components in the sample? -Answer-HYDROGEN BONDING (determines rate of migration) dehydration reaction (tertiary OH to double bond) occurs most readily with what OH? reaction involves loss of WATER molecule and the reaction has a CARBOCATION intermediate -Answer-tertiary alcohols am...

Chem 210 Exam 3 Questions and Correct Answers, With Complete Solution. what face of the pi bond can EAR occur from? either face how many products do EARs on an alkene form? 4 stereoisomeric products Brainpower Read More in a substitution rxn, what does H-O act as? nucleophile and replaces LG in an elimination rxn, what does H-O acts as? base and abstracts BH atom what is a requirement for elimination rxns? beta hydrogen what is a requirement for substitution rxns? leaving group ...

Chem 210 Exam 3 Questions and Correct Answers, With Complete Solution. what face of the pi bond can EAR occur from? either face how many products do EARs on an alkene form? 4 stereoisomeric products Brainpower Read More in a substitution rxn, what does H-O act as? nucleophile and replaces LG in an elimination rxn, what does H-O acts as? base and abstracts BH atom what is a requirement for elimination rxns? beta hydrogen what is a requirement for substitution rxns? leaving group ...

EAS reactions question and answers correctly answered 2023Halogenation - correct answer installation of Cl or Br group Halogenation, reagents - correct answer 1. Br2 FeBr3/AeOH 2. Cl2 AlCl3 EAS general reaction mechanism - correct answer step 1: generation of electrophile (usage of reagents) step 2: loss of aromaticity step 3: regaining of aromaticity rate determining step - correct answer step 2: loss of aromaticity Nitration - correct answer installation of nitro group nitrat...

All of the following are considered "weak" interactions in proteins, except: A) hydrogen bonds. B) hydrophobic interactions. C) ionic bonds. D) peptide bonds. E) van der Waals forces. - D) peptide bonds. The most important contribution to the stability of a protein's conformation appears to be the: A) entropy increase from the decrease in ordered water molecules forming a solvent shell around it. B) maximum entropy increase from ionic interactions between the ionized amino acids in a ...

A reaction had a ΔG > 0. For this reaction at equilibrium A) [products]/[reactants] > 1 B) [products]/[reactants] < 1 C) ΔH = -TΔS D) Keq > 1 E) B and D - ANSWER-B ([products]/[reactants] < 1) F is more probable than U because A) S water is increased B) van der Waals contacts are more favorable C) steric clashes are reduced upon folding D) all of the above E) A and B only - ANSWER-E ( A and B only) The entropy of water increases when the polypeptide chain adop...