What Is the Oxidation Half Reaction in the Following Chemical

question 66

Multiple Choice

What is the oxidation half reaction in the following chemical reaction? Cr₂O₇^2-(aq) + 6 Cl^-(aq) + 14 H⁺(aq) → 2 Cr³⁺(aq) + 3 Cl₂(aq) + 7 H₂O(l)

• A)Cr₂O₇^2-(aq)+ 14 H⁺(aq)+ 6e^- → 2 Cr³⁺(aq)+ 7 H₂O(l)
• B)Cr₂O₇^2-(aq)+ 14 H⁺(aq)→ 2 Cr³⁺(aq)+ 7 H₂O(l)+ 6e^-
• C)2 Cl^-(aq)→ Cl₂(aq)+ 2e^-
• D)Cl₂(aq)+ 2e^- → 2 Cl^-(aq)

---

Definitions:

Y Chromosome

One of the two sex chromosomes in humans and most other mammals, typically present in males, who have one X and one Y chromosome.

X Chromosome

One of the two types of sex chromosomes, present in both genders but in women as a pair and men paired with a Y chromosome.

Gamete

A mature haploid male or female germ cell which is able to unite with another of the opposite sex in sexual reproduction to form a zygote.

Nucleus

The central and most important part of an atom, containing protons and neutrons, or a membrane-bound organelle in eukaryotic cells that contains the genetic material.