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For the reaction sequence below, identify the expected major product(s) . For the reaction sequence below, identify the expected major product(s) . A) I B) II C) III D) I and III E) II and III For the reaction sequence below, identify the expected major product(s) . A) I B) II C) III D) I and III E) II and III


A) I
B) II
C) III
D) I and III
E) II and III

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For the following equation, provide a detailed step-wise mechanism showing the electron flow using the curved arrow formalism. SHAPE \* MERGEFORMAT For the following equation, provide a detailed step-wise mechanism showing the electron flow using the curved arrow formalism. SHAPE \* MERGEFORMAT For the following equation, provide a detailed step-wise mechanism showing the electron flow using the curved arrow formalism. SHAPE \* MERGEFORMAT

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Which of the following alkene addition reactions occur(s) specifically in syn fashion?


A) dihydroxylation using OsO4, H2O2
B) addition of H2
C) hydroboration, oxidation
D) addition of HCl
E) A, B, and C

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Draw Fischer projection (s) of the major product(s) of the reaction between (Z)-3-methyl-3-hexene and catalytic OsO4 with NMO.

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SHAPE \* MERGEFORMAT blured image_TB4454_0...

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The decrease in entropy (the Δ\Delta S value is negative) observed for alkene addition reactions results from _______.


A) the breaking of a π and σ\sigma bond.
B) the formation of two σ\sigma bonds.
C) the reaction being exothermic.
D) two molecules reacting to form a single molecule.
E) the temperature dependence of the Δ\Delta S term.

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The synthesis shown below generates an achiral product from a chiral starting material. Provide the structure of the expected product and a mechanism explaining the synthesis. Briefly explain why the product formed is achiral. The synthesis shown below generates an achiral product from a chiral starting material. Provide the structure of the expected product and a mechanism explaining the synthesis. Briefly explain why the product formed is achiral.

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blured image_TB4454_00 blured image_TB4454_00 Upon addition of t...

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The reaction of Br2 with 1-methylcyclohexene, in the presence of ethylamine (EtNH2) , is expected to produce which of the following as the major product? The reaction of Br<sub>2</sub> with 1-methylcyclohexene, in the presence of ethylamine (EtNH<sub>2</sub>) , is expected to produce which of the following as the major product? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

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The alkene precursor to acetone is __________.

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propylene ...

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Give the best description of the regioselectivity and stereospecificity in the oxymercuration of an alkene.


A) Markovnikov orientation with syn-addition
B) Markovnikov orientation with anti-addition
C) anti-Markovnikov orientation with syn-addition
D) anti-Markovnikov orientation with anti-addition
E) Markovnikov orientation with both syn- and anti-addition

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Provide the organic product(s) for the reaction shown below. Provide the organic product(s) for the reaction shown below. A) I B) II C) III D) IV E) V Provide the organic product(s) for the reaction shown below. A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

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What is the expected major product for the following reaction sequence? What is the expected major product for the following reaction sequence? A) I B) II C) III D) IV E) V What is the expected major product for the following reaction sequence? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

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Identify the structure(s) of the expected major organic product(s) of the following reaction. Draw the products in the expected chair conformations and include regiochemical and/or stereochemical details as needed. Identify the structure(s) of the expected major organic product(s) of the following reaction. Draw the products in the expected chair conformations and include regiochemical and/or stereochemical details as needed.

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blured image_TB4454_00 The reaction takes place with...

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What major product is expected from the following reaction? What major product is expected from the following reaction? A) I B) II C) III D) IV E) V What major product is expected from the following reaction? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

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A reaction that could potentially yield two or more constitutional isomers, but as in hydroboration-oxidation produces only one isomer, is said to be _____________________.

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What is (are) the expected major product(s) for the following reaction sequence? What is (are) the expected major product(s) for the following reaction sequence? A) I B) II C) III D) I and II E) I and III What is (are) the expected major product(s) for the following reaction sequence? A) I B) II C) III D) I and II E) I and III


A) I
B) II
C) III
D) I and II
E) I and III

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Which of the following sets of reagents accomplishes the synthesis shown below? Which of the following sets of reagents accomplishes the synthesis shown below? A) H<sub>2</sub>/HCl B) H<sub>2</sub>/H<sub>2</sub>SO<sub>4</sub> C) H<sub>2</sub>/Ni D) H<sub>2</sub>O/Ni E) H<sub>2</sub>O/H<sub>2</sub>SO<sub>4</sub>


A) H2/HCl
B) H2/H2SO4
C) H2/Ni
D) H2O/Ni
E) H2O/H2SO4

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What is the expected major product(s) of HCl addition to the alkene below? What is the expected major product(s) of HCl addition to the alkene below? A) II B) II and III C) I and IV D) V E) I and II What is the expected major product(s) of HCl addition to the alkene below? A) II B) II and III C) I and IV D) V E) I and II


A) II
B) II and III
C) I and IV
D) V
E) I and II

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A common problem in the acid-catalyzed hydration of alkenes is the formation of an ether byproduct. Explain the formation of the ether byproduct in relation to the reaction below: A common problem in the acid-catalyzed hydration of alkenes is the formation of an ether byproduct. Explain the formation of the ether byproduct in relation to the reaction below:

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What is the expected major product for the following reaction? What is the expected major product for the following reaction? A) I B) II C) III D) IV E) V What is the expected major product for the following reaction? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

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What is the name of the product formed when 5-chloro-1-methylcyclohexene is reduced with a Pt catalyst and H2?


A) 1-chloro-2-methylcyclohexane
B) 1-chloro-3-methylcyclohexane
C) 1-chloro-5-methylcyclohexane
D) 3-chloro-1-methylcyclohexane
E) None of the above

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