Nabh4 Guides d'étude, Notes de cours & Résumés

Basicity rules correct answers -strong base: unstable/reactive (ED groups) -weak base: stable (EW groups/more EN/bigger) Chair conformation correct answers -more stable equitorial (slanted) -pointing up/pointing down=cis if both up -elimination: trans and diaxial Newman projection correct answers -gauche: substituent groups adjacent to eachother -grab middle and turn to put in plane Enantiomers correct answers -not superimposable mirror images -same besides stereochemistry Diast...

Tamu Chem 238 Final Exam Questions and Answers 100% Solved | Already Passed 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 -...

Tamu Chem 238 Final Exam Questions and Answers 100% Solved | Already Passed 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 -...

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...

Basicity rules correct answers -strong base: unstable/reactive (ED groups) -weak base: stable (EW groups/more EN/bigger) Chair conformation correct answers -more stable equitorial (slanted) -pointing up/pointing down=cis if both up -elimination: trans and diaxial Newman projection correct answers -gauche: substituent groups adjacent to eachother -grab middle and turn to put in plane Enantiomers correct answers -not superimposable mirror images -same besides stereochemistry Diast...

Alkene + hydrogen /nickel catalyst/423K= - correct answer alkane Alkene + bromine /room temperature= - correct answer dihaloalkane Alkene + HCl(g/aq) /room temperature= - correct answer haloalkane (mixed products) Alkene + H2O(g) /H3PO4= - correct answer alcohol (mixed products) Primary alcohol + 2[O] /excess K2Cr2O7/H2SO4/reflux= - correct answer carboxylic acid Primary alcohol + [O] /K2Cr2O7/H2SO4/distil= - correct answer aldehyde Secondary alcohol + [O] /K2Cr2O7/H2SO4/reflux...

Chemical properties of Aldehydes and Ketones in of Electrons Loss of Electrons H O H3C C H + 2[H] H3C C OH H True for all secondary alcohols Carbonyl + 2[H] ─(NaBH4) Alcohol CH3CH2CHO + 2[H] CH3CH2CH2OH Propanal + NaBH4 Propan-1-ol

reduction - Answer increasing the hydrogen content or decreasing the oxygen content reduction of carboxylic acid gives... - Answer primary alcohol reduction of ester gives... - Answer primary alcohol reduction of aldehyde gives... - Answer primary alcohol reduction of ketone gives... - Answer secondary alcohol reduction of carbonyls by hydrogenation - Answer 1. only works for aldehydes and ketones ease of reduction - Answer carboxylic acids < esters < ketone...

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...