Carbocations - Study guides, Class notes & Summaries

E2 Reaction - ANSWEROne-Step with no intermediates, Base takes off proton + LG leaves with double bond formation. What type of carbons do E2 rxns favor? - ANSWERTertiary What is a Zaitsev product? - ANSWERDouble bond formation on more substituted carbon What is a Hoffman product? - ANSWERDouble bond formation on less substituted carbon When using a stericallly hindered base (t-BuOK, LDA), which product is more favorable? - ANSWERHoffman When using Eto- or less sterically hindered ...

MCAT AAMC FL 1EXAM QUESTIONS AND ANSWERS What was the principal factor determining the migration of individual components in a sample when performing chromatography? -Answer-the relative amount of hydrogen bonding to the stationary phase Rf value -Answer-Distance travelled by substance / distance travelled by solvent stereospecific reaction -Answer-a special type of stereoselective reaction in which the stereochemistry of the product is dependent on the stereochemistry of the starting mate...

MCAT AAMC FL 1EXAM QUESTIONS AND ANSWERS What was the principal factor determining the migration of individual components in a sample when performing chromatography? -Answer-the relative amount of hydrogen bonding to the stationary phase Rf value -Answer-Distance travelled by substance / distance travelled by solvent stereospecific reaction -Answer-a special type of stereoselective reaction in which the stereochemistry of the product is dependent on the stereochemistry of the starting mate...

PSU Chem 210 Final Review Questions & Answers(Graded A+) E2 Reaction - ANSWEROne-Step with no intermediates, Base takes off proton + LG leaves with double bond formation. What type of carbons do E2 rxns favor? - ANSWERTertiary What is a Zaitsev product? - ANSWERDouble bond formation on more substituted carbon What is a Hoffman product? - ANSWERDouble bond formation on less substituted carbon When using a stericallly hindered base (t-BuOK, LDA), which product is more favorable? - A...

Chapter 1-Structure and Bonding:Acids and Bases 1. How many total valence electrons are represented in the following electron configuration? 1s22s22px2 2py2 2pz1 or 1s22s22p5 a. 1 b. 3 c. 5 d. 7 e. 9 ANS: D Instructions: Write valid Lewis (electron-dot) structures for each formula below. Show all electrons as dots and show all nonbonding electrons. 2. Write: CH3CH2OH ethanol ANS: 3. The structure of urea is shown below. Fill in any nonbonding valence electrons that are missing from the l...

E2 Reaction - ANSWEROne-Step with no intermediates, Base takes off proton + LG leaves with double bond formation. What type of carbons do E2 rxns favor? - ANSWERTertiary What is a Zaitsev product? - ANSWERDouble bond formation on more substituted carbon What is a Hoffman product? - ANSWERDouble bond formation on less substituted carbon When using a stericallly hindered base (t-BuOK, LDA), which product is more favorable? - ANSWERHoffman When using Eto- or less sterically hindered ...

Chem 234 Exam 1 Questions With 100% Correct Answers Allows us to determine the molecule mass and the molecular formula of a compound, as well as some of it's structural features - answerMass Spectrometry Tells us the kinds of functional groups a compound has - answerInfrared (IR) Spectroscopy Provides information about the carbon-hydrogen framework of an organic compound - answerNuclear magnetic resonance (NMR) spectroscopy A very small sample is placed in a mass spectrometer, where it i...

In an individual who is starving or fasting, the body meets its need for glucose first by the process of ________, and then by the process of ________. - ANSWERS>>>glycogenolysis; gluconeogenesis The pathway followed by glucose when energy is needed is - ANSWERS>>>glycolysis. The alcohol functional group has - ANSWERS>>>a carbon-oxygen-hydrogen group. The commonly accepted mechanism for explaining alkene reactions involves formation of - ANSWERS>>>carboc...

Chem 234 Exam 1 Questions With 100% Correct Answers Allows us to determine the molecule mass and the molecular formula of a compound, as well as some of it's structural features - answerMass Spectrometry Tells us the kinds of functional groups a compound has - answerInfrared (IR) Spectroscopy Provides information about the carbon-hydrogen framework of an organic compound - answerNuclear magnetic resonance (NMR) spectroscopy A very small sample is placed in a mass spectrometer, where it i...

Knewtons Exam 3 Questions With Verified Answers. Which of the following is very reactive and can readily combine with molecules containing atoms with lone pairs? hypervalent molecues odd-electron molecules electron-deficient molecules all of the above - answerelectron-deficient molecules Electron-deficient molecules that do not have filled valence shells can readily combine with molecules containing atoms with lone pairs. When drawing a Lewis structure for a free radical, which type of...