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प्रश्न
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.
उत्तर
Electrolysis is the passage of electricity through a liquid or solution accompanied by a chemical change.
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संबंधित प्रश्न
State the electrode reaction at the anode during electrolysis of:
magnesium chloride (molten).
Give reason for the following:
In the electrolysis of acidified water, dilute sulphuric acid is preferred to dilute nitric acid for acidification.
How electrolysis can be used in extraction of aluminium? Why aluminium cannot be reduced by conventional reducing agents?
Choose the correct answer from the option given below:
Electrolysis of acidulated water is used in the production of
Give one example of a substance which contain :
molecules only
If an electrolyte is described as a 'strong electrolyte' what does this mean?
Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolyzed.
Element X is a metal with a valency 2. Element Y is a non-metal with a valency 3.
Write equations to show how X and Y form ions?
When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are:
X - \[\ce{HCl <=> H^{1+} + Cl-}\] (in solution state)
Y - \[\ce{PbBr2 <=> Pb^{2+} + 2Br^{1-}}\] (in molten state)
From the above reaction X or Y, identify the reaction which exhibit:
electrolytic dissociation
