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WorksheetsTitration Curves
Total questions: 8
Worksheet time: 10mins
Name
Class
Date
1.
What is the pH at the equivalence point.
a)
The pH is approximately 5
b)
The pH is approximately 6
c)
The pH is approximately 8
d)
The pH is approximately 9
2.
What is the endpoint of a titration
a)
Where the amount of acid and base are equal as shown by a colour change
b)
Where there is no base
c)
When the volume of base in the burette is used up
d)
When there is no acid
3.
In which of the following reactions does H2PO4- act as an acid?
a)
H3PO4 + H2O --> H3O+ + H2PO4-
b)
H2PO4- + H2O --> H3O+ + HPO42-
c)
H2PO4- + OH- --> H3PO4 + O2-
d)
The ion cannot act as an acid
4.
Which of the following is NOT a strong base?
a)
Ca(OH)2
b)
KOH
c)
NH3
d)
Sr(OH)2
5.
Which type of titration is shown by this titration curve?
a)
Titration of a strong acid by a strong base
b)
Titration of a weak acid by a strong base
c)
Titration of a strong base by a strong acid
d)
Titration of a weak base by a strong acid
6.
The pH at the equivalence point of the titration of a strong acid with a strong base is usually:
a)
acidic 3.9
b)
acidic 4.5
c)
neutral 7.0
d)
basic 8.2
7.
Which curve is produced by the addition of a 0.1 molL-1 strong acid to a 0.1 molL-1 weak base?
a)
A
b)
B
c)
C
d)
D
8.
CH3COOH is titrated with NaOH. Name the salt produced and its pH at the equivalence point.
a)
CH3COONa, pH at 5
b)
CH3COONa, pH at 7
c)
CH3COONa, pH at 9
d)
NaCH3COO, pH at 9
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