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WorksheetsAcid-Base Theories
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
According to which theory is a base a substance which produces OH- ions in water?
a)
Arrhenius
b)
Bronsted-Lowry
c)
Lewis
2.
According to Bronsted-Lowry acid base theory, an acid is a.....
a)
Proton donor
b)
Proton acceptor
c)
Produces H+ when added to water
d)
Made of H+
3.
According to Lewis acid-base theory, a Lewis base is.....
a)
an electron pair acceptor
b)
an electron pair donor
c)
an oxidising agent
d)
a reducing agent
4.
According to Arrhenius acid-base theory, an acid is....
a)
an H+ acceptor
b)
a H+ donor
c)
a substance that produces H+ in water
d)
anything with an H+
5.
According to which acid-base theory is a base a proton acceptor?
a)
Arrhenius
b)
Bronsted-Lowry
c)
Lewis
6.
Which reactant in the following equation is a Bronsted acid?
a)
ammonium
b)
ammonia
c)
hydroxide
d)
water
7.
Which reactant in the following equation is a Bronsted acid?
a)
Water
b)
Hydrogen chloride
c)
Hydronium
d)
Chloride
8.
What might happen if you mixed a strong acid with an equally strong base?
a)
You would see an explosive chemical reaction.
b)
The acid would destroy the base.
c)
The base would destroy the acid.
d)
You'd wind up with a pH-neutral substance.
9.
What is the conjugate acid in the following equation?
a)
PO43-
b)
HNO3
c)
NO3-
d)
HPO42-
10.
What is the conjugate base in the following reaction?
a)
HCO3-
b)
HCl
c)
H2CO3
d)
Cl-
11.
HSO4-(aq)+H2O(l) → H3O+(aq)+SO42-(aq)
Identify the Acid in the above reaction.
Identify the Acid in the above reaction.
a)
HSO4-
b)
H2O
c)
H3O+
d)
SO42-
12.
CO32-(aq)+H2O(l) → HCO3-(aq)+OH-(aq)
Using the above reaction, which compound is the conjugate base?
Using the above reaction, which compound is the conjugate base?
a)
CO32-
b)
H2O
c)
HCO3-
d)
OH-
13.
A compound that donates H+ ions is
a)
A Bronsted-Lowry Acid
b)
An Arrhenius Acid
c)
A Bronsted-Lowry Base
d)
An Arrhenius Base
14.
A substance that remains when a base has accepted an H+ ion is
a)
An acid
b)
A Base
c)
A Conjugate Acid
d)
A Conjugate Base
15.
In the equation below, what is the Bronsted Lowry acid?
HCl + NH3 --> Cl- + NH4+
a)
HCl
b)
NH3
c)
Cl-
d)
NH4+
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