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ICSE Class 10 Chemistry Question 54 of 60

Electrolysis — Question 54

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Question 2(2020)

State one relevant reason for : Graphite anode is preferred to platinum in the electrolysis of molten lead bromide.

Answer

As graphite is unaffected by the reactive bromine vapours released at the anode hence, a graphite anode is preferred to platinum in the electrolysis of molten lead bromide.