The Salts X(NO₃)₂ and Y(NO₃)₂ (Where X⁺ and Y⁺ Are

question 43

Multiple Choice

The salts X(NO₃) ₂ and Y(NO₃) ₂ (where X⁺ and Y⁺ are metal ions) are dissolved in water to give a solution which is 0.1 M in each of them. Which of the answers gives the concentration of chloride ions will precipitate the most YCl₂ without precipitating any XCl₂? Given K_sp values: XCl₂, 2 × 10⁻⁵ YCl₂, 1 × 10⁻¹⁰

• A)1 M Cl ⁻
• B)0.1 M Cl ⁻
• C)0.01 M Cl ⁻
• D)0.001 M Cl ⁻
• E)0.0001 M Cl ⁻

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Definitions:

RICE

Abbreviation for rest, ice, compression, elevation, referring to the treatment for sprains and strains.

Compression

The act of pressing together or the state of being pressed together, often used in contexts like data compression, compression of materials, or medical compression to reduce swelling.

Elevation

A term often used in medical and healthcare settings indicating the raising of a body part, typically to reduce swelling and improve blood flow.

Electrical Burn

A type of injury caused by electric current passing through the body, potentially damaging tissues or causing cardiac arrest.