
Volumetric analysis revision
Authored by Nisha Gandhi
Chemistry, Science
11th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of Volumetric Analysis?
The purpose of volumetric analysis is to determine the concentration of an standard solution. Therefore the process is quantitative.
The purpose of volumetric analysis is to determine the concentration of an known solution. Therefore the process is quantitative.
The purpose of volumetric analysis is to determine the concentration of an standard solution. Therefore the process is qualitative.
The purpose of volumetric analysis is to determine the concentration of an unknown solution. Therefore the process is quantitative.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of the indicator?
To change colour
To change colour and therefore identify the endpoint of the reaction
It is a weak base and therefore will turn into its conjugate acid
An example is phenolphthalein
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a titre?
The initial volume in the burette
The initial volume in a conical flask
A titre is the volume delivered by the burette
The volume that is dissolved in the volumetric flask
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the difference between the end point and the equivalence point of a reaction?
The end point is the point at which the colour changes and it is one drop before the equivalence point. The equivalence point is the point at which at which exact stoichiometric ratios of the reactants have reacted in the reaction.
The equivalence point is the point at which there is a colour change in the reaction and the end point is the point at which exact stoichiometric ratios of the reactants have reacted in the reaction.
The endpoint is the point one drop after the equivalence point, which signals the reaction has been completed by a colour change. The equivalence point is the point at which exact stoichiometric ratios of the reactants have reacted in the reaction.
The end point and equivalence point are viewed as the same on a titration curve and therefore they are the same point
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is a titration curve and what does it measure?
A titration curve measures the titre volume over time. This can be utilised to calculate the average titre
A titration curve measures concordant titres. Make sure to eliminate outliers before determining whether a titre is concordant.
The titration curve measures the pH of the solution in the conical flask over time as the titrant is added from the burette.
The titration curve measures the pH of the solution in the burette over time as the titrant is added from the conical flask.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is a standard solution? What is it made from?
A standard solution is a solution of accurately known concentration. The standard solution is made from dissolving a known amount of titrant from the burette.
A standard solution if the titrant that is titrated from the burette.
A standard solution is a primary standard.
A standard solution is a solution of accurately known concentration. The standard solution is made from dissolving a known amount of primary standard.
7.
OPEN ENDED QUESTION
3 mins • Ungraded
Looking at the graph opposite, what reactants could have reacted to give you this titration curve? What indicator could be chosen?
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