Consider the Following Oxidation-Reduction Reaction: 2Fe³⁺(aq)+ 2Hg(l)+ 2Cl⁻(aq)→ 2Fe²⁺(aq)+ Hg₂Cl₂(s)Which

question 4

Multiple Choice

Consider the following oxidation-reduction reaction: 2Fe³⁺(aq) + 2Hg(l) + 2Cl⁻(aq) → 2Fe²⁺(aq) + Hg₂Cl₂(s) Which one of the following pairs correctly indicates the oxidizing agent and the reducing agent in this reaction? Oxidizing agent Reducing agent

• A)Hg(l)Fe3⁺(aq)
• B)Hg(l)Cl⁻(aq)
• C)Fe³⁺(aq)Cl⁻(aq)
• D)Fe³⁺(aq)Hg(l)
• E)Cl⁻(aq)Fe³⁺(aq)

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Definitions:

Sampling

The process of selecting a subset of individuals from a population to estimate characteristics of the whole population.

Stratified Random Sampling

A method of sampling from a population where the population is divided into distinct subgroups and samples are drawn from each subgroup.

Simple Random Sampling

A sampling method where each member of the population has an equal chance of being selected, ensuring the sample's representativeness.

Mutually Exclusive

Events that cannot occur at the same time, indicating a scenario where the happening of one event precludes the occurrence of the other.