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Exam 9: Addition Reactions of Alkenes

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Question 51

Multiple Choice

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How many distinct signals would appear in the (proton-decoupled) ¹³C NMR spectrum for the product of the following reaction?

A) 3
B) 4
C) 5
D) 6

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Question 52

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The expected major product of the following reaction is:

A)
B)
C)
D)
E)

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Question 53

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Most $\pi$ bonds are quite susceptible to reaction with ____________________, also referred to as electron-seeking reagents.

For the following reaction sequence, identify the expected major organic products and provide their stereochemical relationship.

Of the alkenes shown, which would produce the product shown below, upon treatment with ozone, followed by zinc metal and water?

Which is the correct sequence of reaction steps necessary to complete the following transformation?

What is the expected major product for the following reaction sequence?

For the following transformation a) identify the starting material with correct stereochemistry and b) provide a complete reaction mechanism, including stereochemistry, to account for the product shown.

For the following reaction sequence provide the expected major organic product(s). Include all stereoisomers showing relevant stereochemistry.

The expected major product(s) of HCl addition to the alkene shown would be:

What is the expected major product of the following reaction sequence?

Provide the organic product(s) for the reaction shown 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:

For the reaction sequence shown, what is the expected major product?

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?

Draw Fischer projections of the major product of the reaction between (Z)?2?methyl-3-hexene and aqueous Br₂.

Which of the catalysts listed are used in the homogenous catalytic hydrogenation of alkenes? I) Ni II) Pt III) Wilkinson's catalyst

Which statement best describes the temperature dependence of an addition reaction?

Select the expected major product(s) of the following reaction:

Draw Fischer projection (s) of the major product(s) of the reaction between (Z)-3-methyl-3-hexene and MCPBA, followed by aqueous acid.