Team 1
0
Team 2
0
Teams
Name
Score
1
2
3
4
5
6
7
8
9
10
Loading
15
×
Which of the following statements is FALSE?
Reduction occurs at the cathode.
Oxidation and reduction half-reactions occur at electrodes i
All voltaic (galvanic) cells involve the use of electricity
Oxidation occurs at the anode.
Oops!
Show
Check
Okay!
Check
15
×
The half-reaction that occurs at the anode during the electrolysis of molten sodium bromide is:
Na <===> Na+ + e-
2 H2O <===> 2 OH- + H2
Br2 + 2 e-<===> 2 Br-
2 Br- <===>Br2 + 2 e-
Oops!
Show
Check
Okay!
Check
15
×
Which one of the following is the strongest reducing agent
I-
F-
Cl-
Br-
Oops!
Show
Check
Okay!
Check
15
×
In the standard notation for a voltaic cell, the double vertical line "||" represents:
a standard hydrogen electrode
a phase boundary
a salt bridge
gas electrode
Oops!
Show
Check
Okay!
Check
15
×
T/F - Ion selective electrodes are unaffected by color or turbidity of the solution
True
False
Oops!
Show
Check
Okay!
Check
×
heart
Other team wins 15 points!
Oops!
×
magnet
Take 15 points!
Okay!
×
gift
Win 15 points!
Okay!
×
thief
Give points!
5
10
15
20
25
×
banana
Go to last place!
Oops!
×
shark
Other team loses 10 points!
Okay!
×
shark
Other team loses 20 points!
Okay!
×
lifesaver
Give 25 points!
Oops!
15
×
T/F pH electrodes sensitivity to H+ is not based on Redox reactions
True
False
Oops!
Show
Check
Okay!
Check
15
×
In voltaic cells, such as those diagrammed in your text, the salt bridge _______ .
is tightly plugged with firm agar gel through which ions can
is not necessary in order for the cell to work
allows charge balance to be maintained in the cell
acts as a mechanism to allow mechanical mixing of the soluti
Oops!
Show
Check
Okay!
Check
15
×
Which of the following is not the characteristic of ion selective electrodes
Operates in a wide range of temperatures
Narrow concentration range
Simple to use
inexpensive
Oops!
Show
Check
Okay!
Check
×
Restart
Review
Join for Free
;
Your experience on this site will be improved by allowing cookies.
Allow cookies