Give reason for the following statements:-
(i) electrolysis of molten lead bromide is carry out in silica crucible?
(i) why graphite electrode is used instead of iron?
(iii) why in place of pure water acidified water is used?
(iv) why electrolysis of water is good example of catalysis?
(i) electrolysis of molten lead bromide is carry out in silica crucible?
(i) why graphite electrode is used instead of iron?
(iii) why in place of pure water acidified water is used?
(iv) why electrolysis of water is good example of catalysis?
Answers & Comments
Verified answer
Answer:
i ) Silica is a lousy conductor, and it can tolerate high temperature and is therefore used as a vessel in which electrolysis of lead bromide is carried out
ii) Graphite electrodes are used in electric arc furnaces to produce the arc that creates the high temperatures.
iii)when acid is added it catalyzes the ionization of water, and water is dissociated into and ions.
iv) Sulphuric acid doesn't takes part in the reaction but promotes the reaction or increases the rate of the reaction.
Explanation:
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