Question

How many ions per molecule are produced in the solution when carnallite is dissolved in excess of water?

Options

• 4

• 5

• 6

• 10

Answer 1

5

Explanation:

Carnallite is KCl.MgCl₂.6H₂O.

When it is dissolved in excess of water, one molecule forms one K⁺ ion, one Mg²⁺ ions and three Cl⁻ ions (i.e., total five ions per molecule).