JOIN NOW

Chemistry

During the electrolysis of molten lead bromide, brown fumes are evolved. Which of the following are the electrodes?

 AnodeCathode
A.GraphitePlatinum
B.PlatinumPlatinum
C.GraphiteGraphite
  1. Only A
  2. Only B
  3. Only B and C
  4. Only C

Electrolysis

4 Likes

Answer

Only C

Reason — During the electrolysis of molten lead bromide, the cathode and anode are both made of graphite, an inert conductor. Graphite anode is preferred to other inert electrodes such as platinum since graphite is unaffected by the reactive bromine vapours.

Answered By

1 Like

Related Questions