What Element Is Being Oxidized in the Following (Unbalanced) Redox

question 80

Multiple Choice

What element is being oxidized in the following (unbalanced) redox reaction? Cr(OH) ₄⁻(aq) + ClO⁻(aq) → CrO₄^2-(aq) + Cl⁻(aq)

• A) Cr
• B) O
• C) H
• D) Cl

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Definitions:

Correlated Groups Design

A research design where the samples are related or matched in some manner, rather than being completely independent groups.

Control Series Design

An experimental design that involves comparing data from a series of observations before and after the implementation of some intervention or treatment.

Interrupted Time Series Design

A quasi-experimental design in which observations are made over time both before and after an intervention.

Quasi-experimental Design

An empirical study used to estimate the causal impact of an intervention, lacking random assignment.