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(WGU UQT1) CHEM 2300 - Organic Chemistry - FA Review $12.49   Add to cart

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(WGU UQT1) CHEM 2300 - Organic Chemistry - FA Review

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(WGU UQT1) CHEM 2300 - Organic Chemistry - FA Review (WGU UQT1) CHEM 2300 - Organic Chemistry - FA Review (WGU UQT1) CHEM 2300 - Organic Chemistry - FA Review

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  • August 22, 2024
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  • 2024/2025
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UQT1 CHEM 2300




Organic Chemistry




FA REVIEW




©WGU 2024/2025

,1. Multiple Choice: Which of the following reagents is used for the
oxidation of primary alcohols to aldehydes?
A) PCC
B) KMnO4
C) H2SO4
D) NaBH4
Correct Answer: A) PCC
Rationale: Pyridinium chlorochromate (PCC) is a mild oxidizing
agent that selectively oxidizes primary alcohols to aldehydes
without further oxidation to carboxylic acids.


2. Fill-in-the-Blank: The ________ effect is the stabilization of
reaction intermediates by the dispersal of charge through an
extended π system.
Correct Answer: Resonance
Rationale: The resonance effect allows for the distribution of
electron density across adjacent atoms with conjugated pi bonds,
stabilizing the intermediate.


3. True/False: In a Diels-Alder reaction, the diene must be in the s-
cis conformation to react.
Correct Answer: True

©WGU 2024/2025

, Rationale: The s-cis conformation allows the p orbitals on the
diene to align properly with those of the dienophile, enabling the
cycloaddition reaction.


4. Multiple Response: Select all that apply. Which of the following
are characteristics of SN2 reactions?
A) Bimolecular
B) Inversion of configuration
C) Rearrangement possible
D) Rate depends on the concentration of both nucleophile and
substrate
Correct Answers: A) Bimolecular, B) Inversion of
configuration, D) Rate depends on the concentration of both
nucleophile and substrate
Rationale: SN2 reactions are bimolecular with a concerted
mechanism that leads to inversion of configuration. The rate is
dependent on the concentration of both the nucleophile and the
substrate, and rearrangements do not occur.


5. Multiple Choice: What is the major product of the reaction
between 2-methyl-2-butene and HBr in the presence of peroxides?
A) 2-bromo-2-methylbutane
B) 3-bromo-2-methylbutane
C) 1-bromo-2-methylbutane

©WGU 2024/2025

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