Consider the following two acid-base reactions: OH OHI Based on what you know about the compounds and their acidity, which direction would you expect both of these reactions to proceed? Show your reasoning. A pKa table has been provided in case you need it. Functional group Example pka CHA -50 Alkane -35 Amine : NH3 Alkyne RH 25 Water HO-H 169 16 10 Protonated amines NH 10 5 Carboxylic acids OH Hydrochloric acid HCI A chemist intends to run the following reaction on the three substrates shown below: H₂O R-CI product room temp. Cl Cl (1) (2) (3) They find one will react quickly, one slowly, and one will not react at all. Which is which, and why? HINT: What is the reaction they're trying to do? Does that mechanism tell you anything about why something would be favored?

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter20: Carboxylic Acids And Nitriles
Section20.SE: Something Extra
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Consider the following two acid-base reactions:
OH
OHI
Based on what you know about the compounds and their acidity, which
direction would you expect both of these reactions to proceed? Show
your reasoning.
A pKa table has been provided in case you need it.
Functional group
Example
pka
CHA
-50
Alkane
-35
Amine
: NH3
Alkyne
RH
25
Water
HO-H
169
16
10
Protonated
amines
NH
10
5
Carboxylic
acids
OH
Hydrochloric
acid
HCI
A chemist intends to run the following reaction on the three substrates shown below:
H₂O
R-CI
product
room temp.
Cl
Cl
(1)
(2)
(3)
They find one will react quickly, one slowly, and one will not react at all. Which is which, and why?
HINT: What is the reaction they're trying to do? Does that mechanism tell you anything about why something would be favored?
Transcribed Image Text:Consider the following two acid-base reactions: OH OHI Based on what you know about the compounds and their acidity, which direction would you expect both of these reactions to proceed? Show your reasoning. A pKa table has been provided in case you need it. Functional group Example pka CHA -50 Alkane -35 Amine : NH3 Alkyne RH 25 Water HO-H 169 16 10 Protonated amines NH 10 5 Carboxylic acids OH Hydrochloric acid HCI A chemist intends to run the following reaction on the three substrates shown below: H₂O R-CI product room temp. Cl Cl (1) (2) (3) They find one will react quickly, one slowly, and one will not react at all. Which is which, and why? HINT: What is the reaction they're trying to do? Does that mechanism tell you anything about why something would be favored?
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