WorksheetsVoltaic cells
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Which direction do the electrons flow in wire X and which metal is oxidized?
a)
A
b)
B
c)
C
d)
D
2.
Which species is oxidized in the following reaction?
a)
Ag
b)
Ag+
c)
Cu
d)
Cu2+
3.
What is the function of Y in cell below?
a)
To complete the circuit
b)
To allow flow of electrons between both cells
c)
To allow flow of ions
d)
To connect both half cells
4.
Reduction happens at the (anode or cathode)
(a)
5.
Oxidation happens at the (anode or cathode)
(a)
6.
Reactions in voltaic cells are
a)
spontaneous, redox reactions
b)
non-spontaneous, redox reactions
c)
spontaneous, non-redox reactions
d)
non-spontaneous, non-redox reactions
7.
This electrode in a voltaic cell gains mass (anode or cathode)
(a)
8.
This electrode loses mass (anode or cathode)
(a)
9.
In which direction does electricity flow in a voltaic cell (battery)?
a)
Electrons flow from the cathode to the anode
b)
Electrons flow from left to right
c)
Electrons flow from anode to cathode
d)
Electrons flow from right to left
10.
Which changes could take place at positive electrode in a voltaic cell?
a)
I
b)
II
c)
III
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