Which of the Following Salts Shows the Lowest Solubility in Water

question 71

Multiple Choice

Which of the following salts shows the lowest solubility in water? K_sp values are as follows:
Ag₂S = 1.6 × 10^-49; Bi₂S₃ = 1.0 × 10^-72; HgS = 1.6 × 10^-54; Mg(OH) ₂ = 8.9 × 10^-12; MnS = 2.3 × 10^-13)

• A) HgS
• B) MnS
• C) Bi₂S₃
• D) Ag₂S
• E) Mg(OH)₂

Understand the concepts and tools of quality management.

Identify different types of control charts and their application.

Recognize the importance and method of sorting issues through Pareto analysis.

Describe the cause-and-effect (Ishikawa) diagram and its application in identifying problem causes.

---

Definitions:

Igneous Rock

Igneous rock forms from the cooling and solidification of magma or lava and can be found at or beneath the surface of the Earth.

Weathering

The process by which rocks and minerals break down into smaller pieces by physical, chemical, or biological means, leading to the formation of soil and sediments.

Bedrock

The solid rock underlying loose deposits such as soil or alluvium, often exposed at the Earth's surface or underlying the soil layer.

Sediment

Particles of organic or inorganic matter that accumulate in a loose, unconsolidated form, often deposited by water, wind, or ice.