Ethanol (CH3CH2OH) is an example of a compound with an alcohol group. Alcohols can act as acids or bases insolution. We can consider a reaction of ethanol with NaOH to see the acid/base properties.a. Draw Lewis structures of ethanol and sodium hydroxide. Be sure to show all lone pairs and formal charges.ethanolsodium hydroxideb. Draw out a full equilibrium acid/base reaction between ethanol and sodium hydroxide, showing thecorrect arrows for electron movement.Use the pka table at the right to answer the following questions.C. What would you expect the equilibrium composition of this reaction tobe?d. If a chemist wanted to push the reaction to create a high yield of product,what would be a good base to use?Short pKa tableFunctional groupAlkaneAmineAlkyneWaterProtonatedamines.CarboxylicacidsHydrochloricacidExampleCH₁:NH₂R=HHO-HNHA CIH₂C OHHCIWeakeracidpKa~50-352516105-8

Lewis dot structure of ethanol and sodium hydroxide is pasted as below.

of a compound with an alcohol group. Alcohols can act as acids or bases in on of ethanol with NaOH to see the acid/base properties. ol and sodium hydroxide. Be sure to show all lone pairs and formal charges. anol sodium hydroxide

of a compound with an alcohol group. Alcohols can act as acids or bases in on of ethanol with NaOH to see the acid/base properties. ol and sodium hydroxide. Be sure to show all lone pairs and formal charges. anol sodium hydroxide

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter21: Organic And Biological Molecules

Section: Chapter Questions

Problem 10RQ

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Arrhenius Acid

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Bronsted Lowry Base In Inorganic Chemistry

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Question

Ethanol (CH3CH2OH) is an example of a compound with an alcohol group. Alcohols can act as acids or bases in
solution. We can consider a reaction of ethanol with NaOH to see the acid/base properties.
a. Draw Lewis structures of ethanol and sodium hydroxide. Be sure to show all lone pairs and formal charges.
ethanol
sodium hydroxide
b. Draw out a full equilibrium acid/base reaction between ethanol and sodium hydroxide, showing the
correct arrows for electron movement.
Use the pka table at the right to answer the following questions.
C. What would you expect the equilibrium composition of this reaction to
be?
d. If a chemist wanted to push the reaction to create a high yield of product,
what would be a good base to use?
Short pKa table
Functional group
Alkane
Amine
Alkyne
Water
Protonated
amines.
Carboxylic
acids
Hydrochloric
acid
Example
CH₁
:NH₂
R=H
HO-H
NHA CI
H₂C OH
HCI
Weaker
acid
pKa
~50
-35
25
16
10
5
-8

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Step 1: Lewis dot structure of ethanol and sodium hydroxide

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Step 2: Lewis dot structure of sodium hydroxide

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Step 3: Equilibrium reaction

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Step 4: Equilibrium composition of reaction

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