Chapter 3, Problem 45AP

(For Exercises 45−46) Solutions containing nickel(II) ion are usually bright green in color. When potassium hydroxide is added to such a nickel(II) solution, a pale-green fluffy solid forms and settles out of the solution.

The fact that a reaction takes place when potassium hydroxide is added to a solution of nickel(II) ions is an example of a properly.

. The fact that a solution of nickel(II) ion is bright green is an example of a property.