OC Test 3

25 July 2022
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question
In an addition reaction to an alkene, the ? bond is ______.
answer
a nucleophile
question
Addition reactions of alkenes are characterized by _________.
answer
E) B and C, B) addition of two groups across a double bond C) breaking of a ? bond
question
Most ? bonds are quite prone to reaction with an ____________________, also referred to as electron-seeking reagents.
answer
electrophilic
question
The alkene precursor to ethanol is __________.
answer
ethylene or ethene
question
For an addition reaction, why does free energy, ?G, become more positive with increasing temperature?
answer
The negative entropy dominates at high temperature.
question
Describe the regioselectivity and stereospecificity in the hydrohalogenation of an alkene.
answer
Markovnikov orientation with both syn- and anti-addition
question
Give the best description of the regioselectivity and stereospecificity in the oxymercuration of an alkene.
answer
Markovnikov orientation with anti-addition
question
What are the products of the reaction shown below? CH3OH + CH3C?CNa+ ? ?
answer
CH3C?CH + CH3ONa+
question
A dihalide in which the halogens are attached on adjacent carbons is called a _______________ dihalide.
answer
vicinal
question
A dihalide in which the halogens are attached on the same carbon is called a _______________ dihalide.
answer
geminal
question
For the reaction shown below, select the expected major product
For the reaction shown below, select the expected major product
answer
IV
question
Rank the following hydrocarbons in order of decreasing acidity (most acidic to least acidic.
Rank the following hydrocarbons in order of decreasing acidity (most acidic to least acidic.
answer
III > II > I
question
For the reaction shown, select the expected major organic product.
For the reaction shown, select the expected major organic product.
answer
III
question
Which of the compounds shown below would be the most likely product expected from the reaction scheme shown?
Which of the compounds shown below would be the most likely product expected from the reaction scheme shown?
answer
III
question
For the reaction below, select the structure of the expected major organic product.
For the reaction below, select the structure of the expected major organic product.
answer
III
question
Identify the best reagent(s) for this reaction.
Identify the best reagent(s) for this reaction.
answer
H2SO4, HgSO4, H2O
question
Identify the best reagent(s) for this reaction
Identify the best reagent(s) for this reaction
answer
1. Disiamylborane, 2. HO- , H2O2
question
Identify the final product for the following reaction.
Identify the final product for the following reaction.
answer
II
question
Identify the final product for the following reaction.
Identify the final product for the following reaction.
answer
III
question
For the reaction shown, which of the compounds listed below would be the expected major, and final, organic product?
For the reaction shown, which of the compounds listed below would be the expected major, and final, organic product?
answer
IV
question
Identify the functional group would be expected to be found in the final product in the reaction below.
Identify the functional group would be expected to be found in the final product in the reaction below.
answer
aldehyde
question
Give the expected major product of the following reaction.
Give the expected major product of the following reaction.
answer
IV
question
Identify the expected major product of the following reaction.
Identify the expected major product of the following reaction.
answer
III
question
The three compounds below can form a carbocation under aqueous acidic conditions. Which ones will form the same carbocation?
The three compounds below can form a carbocation under aqueous acidic conditions. Which ones will form the same carbocation?
answer
all three
question
What would be the optimal conditions to effect the following synthesis?
What would be the optimal conditions to effect the following synthesis?
answer
concentrated H2SO4
question
What would be the optimal conditions to effect the following synthesis?
What would be the optimal conditions to effect the following synthesis?
answer
dilute aqueous H2SO4
question
Which of the following is the major product of the reaction shown?
Which of the following is the major product of the reaction shown?
answer
IV
question
Describe the products of the reaction below.
Describe the products of the reaction below.
answer
an equal mixture of enantiomers
question
What is the expected major product for the following reaction?
What is the expected major product for the following reaction?
answer
II