JEE Main Chemistry question

Which is expected to conduct electricity?

(A)Diamond
(B)Molten sulphur
(C)Molten KClCorrect
(D)Crystalline NaCl

Answer: (C)

Solution

Ionic compounds conduct electricity when their ions are free to move, which happens in the molten (liquid) state or in aqueous solution, but not in the solid crystalline state where ions are fixed in the lattice. Molten KCl, being an ionic compound in the liquid state, has mobile

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-133493