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प्रश्न
To carry out the so-called “electrolysis of water”. Sulphuric acid is added to water. How does the addition of sulpuric acid produce a conducting solution?
उत्तर
The addition of sulphuric acid causes dissociation of water into H+ ions and OH- ions.
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संबंधित प्रश्न
Define the following term:
Electrolysis
State the electrode reaction at the anode during electrolysis of:
Fused lead bromide.
Give reason for the following:
Aluminium is extracted from its oxide by electrolytic reduction and not by convectional reducing agents.
Write down the word or phrase from the bracket that will correctly fill in the blank in the following sentence:
We can expect that pure water ________________ (will / will not) normally conduct electricity.
Complete the sentence by choosing correct word given in bracket.
through a liquid or a solution accompanied by a ___________ (Physical / chemical) change.
State your observation for the following electrolytic reaction:
Solid copper sulphate is electrolysed between platinum electrodes.
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 blank :
The ions which discharge on the positive electrode during electrolysis ____________electrons. Thus, the ions are said to be _____________.
Name : A positively charged not metallic ion
Complete the sentence by choosing correct words given in brackets.
Electrolysis is the passage of __________ (electricity/electrons) through a liquid or solution accompanied by a __________ ( physical/chemical ) change.
