Share Harris Chapter 15 Potentiometry - Game 3
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Why is Standard hydrogen electrode called as the primary reference electrode?
ts output potential is dependent on the composition of the s
It must have a known output potential
It must have a constant output potential
It is employed in conjunction with the indicator or working
Why is Standard hydrogen electrode called as the primary reference electrode?
Its output potential is independent of sol'n composition
It has a constant output potential
Its output potential is zero volts
it has a known output potential
Which of the following is not the disadvantage of standard hydrogen electrode primary reference electrode?
H2 gas at 1 atmospheric pressure is difficult to set up and
It gives salt error
Presence of oxidising agents alters the potential
Platinum can be easily poisoned
In Hydrogen electrode, the electrode is placed in a solution of ____ M HCl.
2
1
0.5
Saturated
Hydrogen electrode which is the reference electrode can be used as which of the following?
Anode of Cathode
Salt Bridge
Anode
Cathode
T/F If hydrogen electrode acts as cathode, hydrogen is reduced.
False
True
Which of the following is known as calomel?
Silver chloride
mercury sulfate
potassium chloride
Mercury chloride
Calomel electrode can behave as which of the following components?
anode only
cathode only
Anode or cathode
salt bridge
T/F While using reference electrodes, the internal liquid level should always be kept above that of the sample solution.
False
True
T/F A silver electrode cannot be used as an indicator electrode for Ag+ and Cl−
True
False
Proper care of pH electrodes includes
All of the above
Keep the electrodes moist at all times
Don't store in distilled or DI water - ions leach out
Store the electrode in a solution of 4 M KCl
