PART A Ammonium cation (NH4 +) has a pKa of about 9.3. What is true of this compound when the pH is much LOWER than the pKa? Group of answer choices: It is deprotonated and negatively charged It is deprotonated and positively charged It is protonated and negatively charged It is protonated and positively charged None of the molecules have a charge There is an equal amount of negatively charged and positively charged species There is an equal amount of positively charged and uncharged species PART B Ammonium cation (NH4 +) has a pKa of about 9.3. What is true of this compound
PART A Ammonium cation (NH4 +) has a pKa of about 9.3. What is true of this compound when the pH is much LOWER than the pKa? Group of answer choices: It is deprotonated and negatively charged It is deprotonated and positively charged It is protonated and negatively charged It is protonated and positively charged None of the molecules have a charge There is an equal amount of negatively charged and positively charged species There is an equal amount of positively charged and uncharged species PART B Ammonium cation (NH4 +) has a pKa of about 9.3. What is true of this compound
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 119QRT
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PART A
Ammonium cation (NH4 +) has a pKa of about 9.3. What is true of this compound when the pH is much LOWER than the pKa?
Group of answer choices:
It is deprotonated and negatively charged
It is deprotonated and positively charged
It is protonated and negatively charged
It is protonated and positively charged
None of the molecules have a charge
There is an equal amount of negatively charged and positively charged species
There is an equal amount of positively charged and uncharged species
PART B
Ammonium cation (NH4 +) has a pKa of about 9.3. What is true of this compound when the pH is equal to 9.3?
Group of answer choices:
It is deprotonated and negatively charged
It is deprotonated and positively charged
It is protonated and negatively charged
It is protonated and positively charged
None of the molecules have a charge
There is an equal concentration of positively charged and negatively charged species
There is an equal amount of positively charged and uncharged species
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