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4 -- Part 10: THE STUDY OF CHEMICAL REACTIONS
Predict whether a reaction will be unimolecular or bimolecular using a set of reaction conditions.
You can draw and compare the mechanisms and reaction-energy diagrams of the reactions.
Predict which substitution or elimination will be quicker based on the differences in the group, solvent, and base.
Old and new names are included in the structure for each compound.
Determine which compounds have cis-trans isomerism.
Correct name for each compound.
Cholesterol has one pi bond.
The direction of the dipole moment is indicated for each alkene.
Determine which compound has the larger dipole moment for each pair.
A double bond in a six-membered ring is more stable in an exocyclic position than it is in an endocyclic position.
Predict the products formed by dehydrohalogenation.
Predict the major product in each case.
Predict the major product when more than one product is expected.
The major product you expect should be shown in the balanced equation.
Predict the dehydrohalogenation product when the alkyl halides are heated.
Predict the major and minor products when more than one product is formed.
Use cyclohexane as your starting material and show how you would make each of the compounds.
How would you prepare cyclohexene from each compound?
In one or two steps, you can convert 1-phenylpropane to the three products shown below.
Explain what unwanted reactions might make the product different.
Draw reaction-energy diagrams for the following reactions.
Explain the differences between the two reactions.
2-Bromo-2-methylbutane reacts with sodium methoxide to give 2-methylbut-2-ene.
2-Bromo-2-methylbutane reacts in boiling methanol to give other products.
Your mechanism needs to explain the products shown.
In the following reactions, propose mechanisms to account for observed products.
You only need to account for the ones shown here if more products are formed.
A complex product mixture of the following five compounds is given by silver-assisted solvolysis of bromomethylcyclopentane.
There are mechanisms to account for these products.
The hydroxy group of alcohol can be converted to a good leaving group.
Suggestions for a mechanism for each reaction.
A bulky base that promotes E2 elimination.
There are mechanisms to show which fluoroalkenes are formed.
These products should be given mechanisms to account for.
Two alkenes are produced when 2-bromo-3-phenylbutane is treated with sodium methoxide.
The major and minor products are shown in the reaction.
To show why stereospecificity is observed, use your models to draw a Newman projection of the transition state.
This prediction can be made without drawing any structures.
Explain the differences in the energy barriers of the three alkenes.
Explain the large difference in rates by determining which one reacts faster.
A graduate student tried to make methylenecyclobutane.
Give mechanisms to account for the formation of the other products.
There is a mechanism that explains the formation of this product.
Explain the cause of the rearrangement and the failure to form the Zaitsev product in your mechanism.
The acid-promoted ionization gives a carbocation.
The carbocation undergoes a shift to give it a stable cation.
The observed product is caused by the loss of a protons.
There is a mechanism for the pinacol rearrangement.
The nucleus of Deuterium is made of hydrogen of mass number 2.
The H bond is broken.
In the following reaction, propose a mechanism to explain each product.
The rate of formation of the substitution product is not affected by the reaction of the following deuterated compound.
The elimination rate is slower than the substitution rate.
A similar reaction takes place when heating the alkyl halide.
Two elimination products are possible when the following compound is treated with sodium methoxide.
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