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प्रश्न
Identify the following reactions as either oxidation or reduction : O + 2e- → O-2
उत्तर
Reduction
APPEARS IN
संबंधित प्रश्न
What is the difference between:
Electrolytic dissociation and ionisation.
State the electrode reaction at the anode during electrolysis of:
very dilute sulphuric acid.
Give reason for the following:
A graphite anode is preferred to other inert electrodes during the electrolysis of fused lead bromide.
With reference to the electrolysis of acidulated water, answer the following :
a) why distilled water is a non- electrolyte?
b) What is the electrolytic cell called?
c) State what you would observe at the (i) Cathode (ii) Anode
d) Summarize the electrode reactions.
e) why is electrolysis of acidulated water considered as an example of catalysis?
Fill in the black.
The metal plate trough which current enters into an electrolyte is called ___________. It has ____________ of electrons.
Fill in the blank :
The ions which discharge on the positive electrode during electrolysis ____________electrons. Thus, the ions are said to be _____________.
Fill in the blank :
Non-metallic ions are _____________ because they _____________ electrons.
Name : A base which is not alkali
Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolyzed.
In the electrolysis method of boron extraction the cathode is made of ______.
