Which of the following is a polyatomic ion? O NACIO O CI-1 O C1₂06 SOCIO-1

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:**

Which of the following is a polyatomic ion?

**Options:**

1. NaClO
2. Cl⁻¹
3. Cl₂O₆
4. ClO⁻¹

**Explanation:**

A polyatomic ion is a charged species (ion) composed of two or more atoms covalently bonded. In the options provided:

- **NaClO** is not a polyatomic ion; it's a compound containing the chlorate ion (ClO⁻) and sodium (Na).
- **Cl⁻¹** is a monatomic ion, consisting of a single chlorine atom with a negative charge.
- **Cl₂O₆** is a molecular compound and not a charged ion.
- **ClO⁻¹** is a polyatomic ion known as the hypochlorite ion, consisting of one chlorine and one oxygen atom with a negative charge.

Therefore, the correct answer is **ClO⁻¹**, the hypochlorite ion.
Transcribed Image Text:**Question:** Which of the following is a polyatomic ion? **Options:** 1. NaClO 2. Cl⁻¹ 3. Cl₂O₆ 4. ClO⁻¹ **Explanation:** A polyatomic ion is a charged species (ion) composed of two or more atoms covalently bonded. In the options provided: - **NaClO** is not a polyatomic ion; it's a compound containing the chlorate ion (ClO⁻) and sodium (Na). - **Cl⁻¹** is a monatomic ion, consisting of a single chlorine atom with a negative charge. - **Cl₂O₆** is a molecular compound and not a charged ion. - **ClO⁻¹** is a polyatomic ion known as the hypochlorite ion, consisting of one chlorine and one oxygen atom with a negative charge. Therefore, the correct answer is **ClO⁻¹**, the hypochlorite ion.
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