Which Element Is Oxidized in the Reaction Below

question 64

Multiple Choice

Which element is oxidized in the reaction below?
Fe²⁺ + H⁺ + Cr₂O₇^2- → Fe³⁺ + Cr³⁺ + H₂O

• A)Cr
• B)O
• C)H
• D)Fe

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Definitions:

Simplify

In mathematics, to reduce an expression or equation to its simplest form or most understandable version.

Evaluate

The act of determining the worth of a given expression.

Simplify

The process of reducing an expression to its most basic form or smallest possible components.

Evaluate

Finding out the numerical value associated with an expression.