WorksheetsB.Sc. Final Internal viva
Total questions: 10
Worksheet time: 10mins
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
What is the pH at the equivalence point.
The pH is approximately 5
The pH is approximately 6
The pH is approximately 7
The pH is approximately 9
What color is phenolphthalein in a base?
colorless
pink
blue
green
What term describes the change in color of the indicator during a titration?
colorizing
endpoint
equivalent point
endgame
pH measures:
The colour of a solution.
The concentration of H+ and/or OH- ions in a solution.
The dissociation of an acid.
The concentration of an acid.
Type of titration in which the electrolytic conductivity of the reaction mixture is continuously monitored as one reactant is added.
Potentiometric Titration
Conductometic Titration
Electrolytic Titration
pH metric Titration
What is the solubility constant expression for Zn3(PO4)2?
Ksp = [Zn2+][PO4 3– ]
Ksp = [Zn2+][2PO4 3– ]
Ksp = [Zn2+] 3 [PO4 3– ] 2
Ksp = [3Zn2+] 3 [2PO4 3– ] 2
