
Buffer Solutions and Their Characteristics

Interactive Video
•
Chemistry, Science, Biology
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required for a solution to be an effective buffer?
A metal ion and a halide
A strong base and its conjugate acid
A weak acid and its conjugate base
A strong acid and its conjugate base
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is NaCN and HCN considered an effective buffer solution?
Because HCN is a strong acid
Because they both contain sodium ions
Because NaCN is a strong base
Because HCN is a weak acid and NaCN provides its conjugate base
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does HI and KI not form an effective buffer solution?
Because they do not contain any metal ions
Because HI is a weak acid
Because HI is a strong acid
Because KI is a strong base
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following pairs forms an effective buffer solution?
H2SO4 and NaHSO4
HCl and NaCl
NaF and water
Acetic acid and sodium acetate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes methylamine and its conjugate acid an effective buffer?
Methylamine is a strong base
Methylamine is a weak base and its conjugate acid is present
The presence of bromide ions
Methylamine is a strong acid
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is H2SO4 and NaHSO4 not an effective buffer solution?
Because H2SO4 is a weak acid
Because NaHSO4 is a strong base
Because H2SO4 is a strong acid
Because they do not contain any halide ions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a conjugate base in a buffer solution?
To increase the pH of the solution
To neutralize strong acids
To react with added acids to maintain pH
To provide metal ions
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