JEE Main Chemistry question

Which one of the following reactions occur at the anode, in the Castner process of extracting sodium metal? [EAMCET 2003]

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

The Castner process electrolyses fused sodium hydroxide, not a chloride melt, so chloride is not present to be oxidised, ruling out (B). At the cathode, is reduced to Na (reaction D), not oxidised, so (D)

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-137535