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