Q. In the extraction of sodium by Down’s process, cathode and anode are respectively
A) Copper and nickel
B) Copper and chromium
C) Nickel and chromium
D) Iron and graphite
Explanation
(d)
In the Down’s process of extraction of sodium.
Anode – Graphite
Cathode – Iron
Electrolyte – Mixture of NaCl, KCl and KF
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.