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WorksheetsHydrolysis of Salts
Total questions: 13
Worksheet time: 7mins
Which acids are hydrogen ion donors?
Arrhenius
Bronsted- Lowry
Lewis
Which bases are proton acceptors?
Arrhenius
Bronsted- Lowry
Lewis
Which acids are electron pair acceptors?
Arrhenius
Bronsted- Lowry
Lewis
Which bases are OH- donor?
Arrhenius
Bronsted- Lowry
Lewis
Which of the following DO NOT describe a strong base?
produce strong conjugate acid
completely dissociated in aqueous solution
ionization reaction is favored
very high pH
Which of the following is true about weak acids?
ionization equilibrium lies far to the left.
ionization is favored at equilibrium
completely dissociate to ions in solution
forms also weak conjugate base
Which of the following is the correct equilibrium expression of the hypothetical weak acid?
HYO(aq) + H2O(l) ⇔ H3O+(aq) + YO- (aq)
[H3O+ ] [ YO-] / [HYO]
[H3O+ ] [ YO-]
[H3O+ ] [ YO-] / [HYO][H2O]
[HYO]/ [H3O+ ] [ YO-]
Determine what will be the nature of the salt that will be produced in the neutralization reaction of HBr + NaOH?
neutral salt
basic salt
acidic salt
Determine what will be the nature of the salt that will be produced in the neutralization reaction of KOH + H2CO3?
neutral salt
basic salt
acidic salt
Determine what will be the nature of the salt that will be produced in the neutralization reaction of NH3 + H2CO3?
(KNH3 = 1.8 x 10-5, KH2CO3 = 4.4 x 10-7)
neutral salt
basic salt
acidic salt
Determine what will be the nature of the salt that will be produced in the neutralization reaction of HNO3 + NH3?
neutral salt
basic salt
acidic salt
Which of the following given hypothetical acid with corresponding Ka value will have the lowest pH?
HA-Ka = 5.6 x10 -1
HB-Ka = 7.4 x10 -4
HC-Ka = 8.2 x10 -4
HD-Ka = 9.7 x10 -3
Phenolphthalein (phph) is a colorless base indicator whereas methyl orange (MO) is a red acid indicator which . A water sample was taken from a ground water source. 2 drops of phph was introduced to the sample and there was no change in color occurred. 2 drops MO was also mix in the sample and in turned light yellow. What could be the best conclusion for this test?
the water sample is acidic
the water sample is basic
the water sample is neutral
the test in not conclusive
