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Acid Base Titration
Quiz 2
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Q.1
Which of the following is a conjugate acid/base pair?
HCl/OCl-
H2SO4/SO42-
NH4+/NH3
H3O+/OH-
Q.2
Changes the color of indicators.
Acids
Bases
All
Q.3
Acid + base ₋>
salt + hydrogen
salt + water
salt + carbon dioxide + water
salt
Q.4
What is the purpose of a titration?
To find the pH of an acid
To find the concentration of an unknown acid or base
To find the volume of an unknown acid or base
To find the pH of a base
Q.5
What color is phenolphthalein in a base?
colorless
pink
blue
green
Q.6
What is the purpose of an "indicator"?
changes color if a chemical reaction occurs
changes color if a physical change occurs
changes color in the presence of an acid or base
changes color when a salt dissolves in water
Q.7
Which pH is considered neutral?
1
3
7
14
Q.8
Scale that measures how acidic or basic something is.
aH
bH
pH
Hp
Q.9
Which of the following would be the strongest acid
NaOH
HF
H2SO4
Ca(OH)2
Q.10
Using n = MV, calculate the mass required to prepare 2.5 L of 1.0 M NaOH solution. Given the MM for NaOH isg/mol
1000 g
100 g
10 g
1 kg
Q.11
What is the purpose of indicator solutions?
To signal the end of a reaction
To colour the solution
To complete the reaction
To equivalent the reaction
Q.12
In acid-base titration, the equivalent point is when
a certain amount of acid has reacted completely with a certain amount of base according to stoichiometry
a certain amount of acid has reacted partially with a certain amount of base according to stoichiometry
Q.13
The following are types of titration, EXCEPT
Gravimetric
Acid base
Comlpexometric
Precipitation
Q.14
Using n = MV, calculate the number of moles of sodium chloride in a 1.7 L solution of 0.M.
0.456 mol
0.234 mol
0.643 mol
0.595 mol
Q.15
The concentration of the 30ml of citric acid solution is determined to be 1.M. Using the titration equation, predict the titration volume for the standard solution of 2.3 M.
14 ml
15 ml
16 ml
17 ml
Q.16
What is the concentration of citric acid if its volume isml and the titrated volume of the standard solution of 0.M is 12.4 ml
0.47
0.37
0.30
0.17
Q.17
In the titration equation, M1V1 = M2Vwhat is M?
Molarity
Concentration
Amount of solution
Both A & B
Q.18
The tirant is also known as_________
Standard solution
Saturated solution
Concentrated solution
Super solution
Q.19
The name of the apparatus used for holding the titrant is__________
Conical flask
Burette
Pipette
Volumetric flask
Q.20
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
0 h : 0 m : 1 s
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