WorksheetsBasics in volumetric analysis
Total questions: 20
Worksheet time: 10mins
To prepare a solution of accurately known volume, use a
measuring cylinder
beaker
concial flask
volumetric flask
To deliver a fixed accurate volume of a solution, use a
pipette
burette
dropper
beaker
A standard solution is a solution with accurately known concentration.
True
False
The point in an acid-alkali titration at which the reactants just react completely with each other is called the __________ point.
equivalence point
end point
What is volumetric analysis?
Estimate no of moles of component in the compound
Estimate the amount of component in the compound.
Estimate the volume of a component in the compound.
Estimate mass of a component in the compound.
Volumetric analysis can be defined as_____________
The determination of the identity of the solution
The determination of the mole of a mixture with a known solution
The determination of the concentration of a solution using a solution of known concentration
A chemical used to show the end point of titration is called
base
indicator
pipette
acid
Sodium hydroxide solution must be standardised before being used in volumetric analysis.
TRUE
FALSE
What are the types of titration? Tick all that apply.
back titration
redox titration
complexometric titration
acid-base titration
rough titration
Titrations based on reactions between reducing and oxidising agents are called_______
back titrations
redox titrations
complexometric titrations
acid-base titrations
rough titrations
Tick all correct statements about EDTA.
EDTA is an important complexometric reagent
EDTA can be used to determine the concentration of metal ions in a solution
EDTA is a monodentate ligand
EDTA is a hexadentate ligand
Titrations based on reactions in which complexes are formed are called_______
back titrations
redox titrations
complexometric titrations
acid-base titrations
rough titrations
_______ can be used to find the number of moles of a substance by reacting it with an excess volume of a reactant of known concentration
back titration
redox titration
complexometric titration
acid-base titration
rough titration
A student dissolved 1g NaCl in 100ml water. Which of the following is solute?
NaCl
Water
NaCl solution
No solute
Solid sodium hydroxide CANNOT be weighed accurately for preparing a standard solution because
it is corrosive.
it decomposes easily.
it is volatile.
it absorbs moisture from the air.
In a titration experiment, a conical flask is washed with distilled water and the solution it is to contain before use.
True
False
In a titration experiment, a pipette is washed with distilled water and the solution it is to contain before use.
True
False
__________ is a suitable indicator for the titration of a weak acid and a strong alkali.
Methyl orange
Phenolphthalein
Litmus solution
Universal indicator
__________ is a suitable indicator for the titration of a strong acid and a weak alkali.
Methyl orange
Phenolphthalein
Litmus solution
Universal indicator
Solution of accurately known concentration is called (a)
