Phenolphthalein Turns ________ When the Solution Is Basic

question 72

Multiple Choice

Phenolphthalein turns ________ when the solution is basic.

• A) clear
• B) blue
• C) pink
• D) orange

---

Definitions:

HAc

A shorthand notation for acetic acid, a colorless liquid organic compound with the chemical formula CH3COOH.

K

Symbol for Potassium, a soft, silvery-white metallic element essential for plant growth and human nutrition.

M

In the context of concentration, M stands for molarity, a measure of the concentration of a solute in a solution, defined as moles per liter.

Equilibrium Reaction

A chemical reaction in which the forward and reverse reactions occur at the same rate, so that the concentrations of the reactants and products do not change with time.