CN05 · Quiz — Acids, Bases & Chemical Compounds

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Question 1

The Lewis acid-base theory is broader than Brønsted-Lowry because it defines:

AAcid as H⁺ donor; base as H⁺ acceptor

BAcid as an electron pair ACCEPTOR; base as an electron pair DONOR

CAcid as an OH⁻ producer; base as H⁺ producer

DAcid as any cation; base as any anion

Question 2

The Henderson-Hasselbalch equation pH = pKa + log([A⁻]/[HA]) is used to calculate:

AThe pH of a strong acid solution

BThe pH of buffer solutions and to determine the

CThe exact concentration of H⁺ in any solution

DThe melting point of a salt

Question 3

The solubility product (Ksp) of AgCl at 25°C is 1.8 × 10⁻¹⁰. The solubility of AgCl in pure water is:

A1.8 × 10⁻¹⁰ mol/L

B1.34 × 10⁻⁵ mol/L

C9.0 × 10⁻¹¹ mol/L

D3.6 × 10⁻¹⁰ mol/L

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CN05 — Acids, Bases & Chemical Compounds — Quiz