Which of the Following Reactions Will Occur Spontaneously as Written

question 69

Multiple Choice

Which of the following reactions will occur spontaneously as written?

• A) 2Cr (s) + 3Fe²⁺ (s) - 3Fe (s) + 2Cr³⁺ (aq)
• B) Sn⁴⁺ (aq) + Fe²⁺ (s) - Sn²⁺ (aq) + Fe (s)
• C) 3Fe²⁺ (aq) + Cr³⁺ (aq) - Cr (s) + 3Fe³⁺ (aq)
• D) Sn²⁺ (aq) + Fe²⁺ (s) -Sn⁴⁺ (aq) + Fe³⁺ (aq)
• E) 2Cr³⁺ (aq) + 3Sn²⁺ (aq) - 3Sn⁴⁺ (aq) + 2Cr (s)

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Definitions:

Postindustrial Period

a stage in societal development that occurs after the industrial period, characterized by an economy focused more on services than on manufacturing.

Mature Industrial

Pertains to an industrial phase characterized by stable growth, well-established industries, and lower levels of innovation compared to earlier growth phases.

Transitional Period

A phase of change from one state or condition to another, often characterized by uncertainty and development.

Replacement Level Fertility

The fertility rate at which a population exactly replaces itself from one generation to the next, without migration, typically around 2.1 children per woman.