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Instrumental Methods of Titration (Grades 11-12)

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Instrumental Methods of Titration

1. 
What do you call the solution that is added from the buret in a titrimetric analysis?
  1. Titrant
  2. Titrate
  3. Indicator
  4. Reagent
 
2. 
In titrimetric analysis, there is always a small difference between the visible end point and equivalence point. What do you term this error?
  1. Titration error
  2. Constant error
  3. Proportionate error
  4. Gross error
3. 
Which of the following instrumental techniques is used for determining the end point of a volumetric titration?
  1. Conductometry
  2. Chromatography
  3. Mass Spectrometry
  4. Turbidimetry
 
4. 
In volumetric analysis, the auxiliary reagent is known as the
  1. indicator.
  2. standard solution.
  3. titrant.
  4. titrate.
5. 
Which of the following substance is used as a primary standard in an acid-base titration?
  1. Potassium Hydrogen Phthalate
  2. Silver Nitrate
  3. Sodium Oxalate
  4. Potassium Dichromate
 
6. 
Which of the following processes could involve a color change, even in the absence of an indicator?
  1. Any decomposition reaction
  2. Any synthesis reaction
  3. The melting of a solid silver chloride precipitate
  4. A redox titration
7. 
Which of the following factors involved in the use of temperature would be most useful to determine the equivalence point?
  1. the rate of temperature change
  2. the amount of heat released
  3. the most consistently low and high temperatures
  4. (a) and (b)
 
8. 
Which of the following is an appropriate description of a back titration?
  1. A base is titrated with an acid
  2. A known excess of standard reagent is added to the solution and titrated
  3. A weak base is titrated with an acid, and the solution is titrated with a strong base
  4. None of the above
9. 
Titrants and analyses are typically required to be in                    form.
 
10. 
Which of the following substances are considered secondary standards?
  1. Sodium thiosulphate
  2. Silver nitrate
  3. Potassium dichromate
  4. Succinic acid

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