**Exercise 2: Identification of Oxidized and Reduced Atoms in Reactions**In this exercise, we will identify the atoms being oxidized and the atoms being reduced in the following chemical reactions:---**a) \(2 \text{Mg (s)} + \text{O}_2 \text{(g)} \rightarrow 2 \text{MgO (s)}\)****b) \(\text{Ca (s)} + \text{Cl}_2 \text{(g)} \rightarrow \text{CaCl}_2 \text{(s)}\)****c) \(\text{K}_2\text{S}_2\text{O}_8 \text{(aq)} + 2 \text{KI (aq)} \rightarrow 2 \text{K}_2\text{SO}_4 \text{(aq)} + \text{I}_2 \text{(aq)}\)**---For each reaction:1. Identify the atom being oxidized (loses electrons).2. Identify the atom being reduced (gains electrons).Use the principles of oxidation states to help identify the changes in oxidation number for each atom involved in the reactions.

Oxidation - reduction reaction or redox reaction is defined as the reaction in which oxidation and…

2. Identify the atom being oxidized and the atom being reduced in the following reactions: a) 2 Mg (s) + O2 (g) → 2 MgO (s) b) Cа (s) + Clz (9) > СаClz (s) c) K2S2O8 (aq) + 2KI (aq) → 2K2SO4 (aq) + I2 (aq)

2. Identify the atom being oxidized and the atom being reduced in the following reactions: a) 2 Mg (s) + O2 (g) → 2 MgO (s) b) Cа (s) + Clz (9) > СаClz (s) c) K2S2O8 (aq) + 2KI (aq) → 2K2SO4 (aq) + I2 (aq)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

**Exercise 2: Identification of Oxidized and Reduced Atoms in Reactions**

In this exercise, we will identify the atoms being oxidized and the atoms being reduced in the following chemical reactions:

---

**a) \(2 \text{Mg (s)} + \text{O}_2 \text{(g)} \rightarrow 2 \text{MgO (s)}\)**

**b) \(\text{Ca (s)} + \text{Cl}_2 \text{(g)} \rightarrow \text{CaCl}_2 \text{(s)}\)**

**c) \(\text{K}_2\text{S}_2\text{O}_8 \text{(aq)} + 2 \text{KI (aq)} \rightarrow 2 \text{K}_2\text{SO}_4 \text{(aq)} + \text{I}_2 \text{(aq)}\)**

---

For each reaction:

1. Identify the atom being oxidized (loses electrons).
2. Identify the atom being reduced (gains electrons).

Use the principles of oxidation states to help identify the changes in oxidation number for each atom involved in the reactions.

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