Worksheetsacid base titration curves
Total questions: 20
Worksheet time: 22mins
What is the pH at the equivalence point.
The pH is approximately 5
The pH is approximately 6
The pH is approximately 8
The pH is approximately 9
Which curve is produced by the addition of a 0.1 molL-1 strong acid to a 0.1 molL-1 weak base?
A
B
C
D
CH3COOH is titrated with NaOH. Name the salt produced and its pH at the equivalence point.
CH3COONa, pH at 5
CH3COONa, pH at 7
CH3COONa, pH at 9
NaCH3COO, pH at 9
The pH of the solution when the buffer solution in the flask contains equal concentrations of weak acid and conjugate base is
2.86
4.75
8.77
12.01
The pH at the equivalence point of the titration of a weak acid with a strong base is usually:
acidic 3.9
acidic 4.5
neutral 7.0
basic 8.2
what is mean by equivalence point
a point which complete neutralisation occur where indicator change colour
a point which complete neutralisation occur where volume of H+ is equal to volume of OH-
a point where pH is equal to pKa
which of the following indicator is suitable for weak acid weak base titration
phenolphthalein
methyl orange
litmus
none above is suitable
what is the initial pH value when ethanoic acid was added into sodium hydroxide?
13.0
11.0
3.5
2.0
