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Question

Copy and complete the following sentences ?

With platinum electrodes hydrogen is liberated at the ........... and oxygen at the .......... during the electrolysis of acidified water.

Solution
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During the electrolysis of acidified water with platinum electrodes, H+ ion is reduced at cathode and so hydrogen is liberated at the cathode whereas O2 ion is oxidized at anode and thus oxygen is liberated at the anode.

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Similar Questions
Q1

Copy and complete the following sentences ?

With platinum electrodes hydrogen is liberated at the ........... and oxygen at the .......... during the electrolysis of acidified water.

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Q2
(a) To carry out the so-called "electrolysis of water", sulphuric acid is added to water.
How does the addition of sulphuric acid produce a conducting solution?
(b) Copy and complete the following sentence:
With platinum electrodes, hydrogen is liberated at the ________ and oxygen at the ________ during the electrolysis of acidified water.
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Q3
During the electrolysis of acidified water with platinum electrodes, H2 and O2 are liberated at :
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Q4
is the ratio of hydrogen and oxygen liberated at the electrodes during electrolysis of acidified water.
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Q5
If 5.6l of oxygen is liberated during the electrolysis of acidified water, the volume of hydrogen liberated at the cathode is :
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