Cerium(IV)is a Strong Oxidizing Agent Commonly Used in Redox Titrations

question 15

Multiple Choice

Cerium(IV) is a strong oxidizing agent commonly used in redox titrations.Which of the following is NOT true for cerium(IV) ?

• A)Ce⁴⁺ is yellow and Ce³⁺ is colorless.The color change is abrupt enough that Ce⁴⁺ can serve as its own indicator.
• B)Reduction of Ce⁴⁺ to Ce³⁺ proceeds cleanly in acidic solutions.
• C)Ce⁴⁺ does not form aqueous complexes when dissolved in water.
• D)Ce⁴⁺ is indefinitely stable in sulfuric acid solution.
• E)Ce⁴⁺ reacts rapidly with chloride in hot hydrochloric acid solutions to form chlorine gas.

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Definitions:

James Marcia

A developmental psychologist known for his work on adolescent identity development, proposing four identity statuses: achievement, moratorium, foreclosure, and diffusion.

Identity Foreclosure

A stage in adolescent identity development when an individual commits to an identity without exploring options, often due to external pressures.

Identity Development

The process through which individuals come to understand and define themselves, often occurring during adolescence.

Age Discrimination

Refers to the unfair treatment of individuals based on their age, often impacting employment opportunities and societal roles.