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Acid/Base Conjugate Pairs

Last updated almost 8 years ago

5 questions

Note from the author:

  
A short assignment to reinforce a student’s ability to identify conjugate acid base pairs. 

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Question 1

1.

For the Equation:
HClO4(aq) + H2O(l) ⇄ H3O+(aq) + ClO4–(aq)
What is the Acid?

HClO

H2O

H3O+

ClO4-

Question 2

2.

For the equation
H2SO3(aq) + H2O(l) ⇄ H3O+(aq) + HSO3–(aq)
What is the base?

H2O3

H2O

H30+

HSO3-

Question 3

3.

For the equation
HC2H3O2(aq) + H2O(l) ⇄ H3O+(aq) + C2H3O2–(aq)
What is the Acid conjugate base pair?

HC2H3O2 and H3O+

HC2H3O2 and C2H3O2-

H2O and H3O+

H2O and C2H3O2-

Question 4

4.

For the equation
H2S(g) + H2O(l) ⇄ H3O+(aq) + HS–(aq)
What is the Base Conjugate Acid pair?

H2S and H3O+

H2S and HS-

H2O and H3o+

H2O and HS-

Question 5

5.

For the Below equations underline:
Acids in RED
Bases in Blue
Conjugate acids in ORANGE
Conjugate bases in GREEN