The Following Pictures Represent Solutions at Various Stages in the Titration

question 180

Multiple Choice

The following pictures represent solutions at various stages in the titration of a weak diprotic acid H₂A with aqueous KOH.Unshaded spheres represent H atoms,black spheres represent oxygen atoms,and shaded spheres represent A^2- ions.(K⁺,H₃O⁺ initially present,OH^- initially present and solvent water molecules have been omitted for clarity) .
-Which picture represents the system with the highest pH?

• A)(1)
• B)(2)
• C)(3)
• D)(4)

---

Definitions:

GDP

Stands for Gross Domestic Product, a measure of the economic performance of a country, representing the total value of all goods and services produced over a specific time period.

Phosphorylated

Describes a molecule that has undergone phosphorylation, the addition of a phosphate group, often modifying its function or activity.

Glycolysis

The first step in cellular respiration, a pathway that converts glucose into pyruvate, generating ATP and NADH.

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats, and proteins.