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WorksheetsTitration II
Total questions: 13
Worksheet time: 12mins
Choose the reason why non-aqueous titration is necessary
The interference of water between weak acid and strong base titration and vice versa
The interference of acid between weak acid and strong base titration and vice versa
The interference of base between weak acid and strong base titration and vice versa
What does the word aqueous mean?
does not contain water
contains water
Water can behave as both acid and base. What is the term used to define this behaviour?
amphiprotic
amprotic
protongenic
protophilic
Choose the definition of an acid according to Bronsted-Lowry
a compound that accepts electron
a compound that donates electron
a compound that donates proton
Choose the definition for base according to Bronsted-Lowry
a compound that donates electron
a compound grieves at the lost of electrons
a compound that accepts electron
The following are examples of protogenic solvents, EXCEPT
sulfuric acid
hydrochloric acid
nitric acid
chloroform
Define the oxidation process
the process of gaining electrons
the process of losing electrons
the process of sharing electrons
the process of hoarding electrons
Choose the type of titration that is also known as argentometric titration
precipitation titration
complexometric titration
acid base titration
redox titration
In precipitation titration, the silver atom will form an insoluble salt. What is the colour of the salt?
yellow
green
red
white
The indicator used in Mohr's method is
0.2% potassium dichromate, K2CrO7
2% potassium dichromate, K2CrO7
0.02% potassium dichromate, K2CrO7
25 sodium dichromate, K2CrO7
Determine the mass of phenolphthalein required to prepare 3.2% phenolphthalein solution
3.2 g
3.2 kg
0.32 g
32 2
Using n = MV, calculate the mass of sodium phthalate required to prepare 1.2 L of 1.78 M solution. Given MM of sodium phthalate is 226 g/mol.
483 g
48.3 g
500 g
Using m = n/m, calculate the mass of sodium chloride required to prepare 2.2 m sodium chloride solution using 3.8 kg solvent. Given MM of sodium chloride is 58 g/mol.
480 g
485 g
500 g
490 g
