Advertisements
Advertisements
Question
Give reason for the following:
In the electrolysis of acidified water, dilute sulphuric acid is preferred to dilute nitric acid for acidification.
Solution
This is because HNO3 is volatile and H2SO4 is non-volatile.
APPEARS IN
RELATED QUESTIONS
Explain why it is preferable to use a number of graphite electrodes as the anode instead of a single electrode, during the above electrolysis.
Give reason for the following:
Electrolysis of molten lead bromide is considered to be a reaction in which oxidation and reduction go side by side, i.e., a redox reaction.
Complete the sentence by choosing correct word given in bracket.
Electrolysis is the passage of ___________________
(electricity / electrons)
Fill in the blank :
Non-metallic ions are _____________ because they _____________ electrons.
If an electrolyte is described as a 'strong electrolyte' what does this mean?
Copy and complete the following sentence :
With platinum electrodes, hydrogen is liberated at the ______and oxygen at the _________ during the electrolysis of acidified water.
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.
Electrolysis is the passage of ______ through a liquid or a solution accompanied by a ______ change.
In the electrolysis method of boron extraction the cathode is made of ______.
108 g of silver (molar mass 108 g mol-1) is deposited at cathode from AgNO3 (aq) solution by a certain quantity of electricity. The volume (in L) of oxygen gas produced at 273 K and 1 bar pressure from water by the same quantity of electricity is ______.
