Oxidation Numbers of Hypochlorite Ion

Oxidation Numbers of Hypochlorite Ion

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains how to determine the oxidation numbers for atoms in the hypochlorite ion (ClO-). It begins by introducing the concept of oxidation numbers and the general rules for assigning them. The tutorial then focuses on assigning oxidation numbers to oxygen and chlorine, highlighting that oxygen is typically -2. It explains that the sum of oxidation numbers in an ion equals the ion's charge, leading to the calculation of chlorine's oxidation number as +1. The video concludes with a recap of the process used to determine these oxidation numbers.

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective of the video?

To explain the structure of the hypochlorite ion

To find the oxidation numbers for atoms in the hypochlorite ion

To discuss the uses of hypochlorite ion

To compare hypochlorite ion with other ions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the typical oxidation state of oxygen in compounds?

-2

+1

+2

-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't the general rule for chlorine's oxidation number be applied in ClO-?

Because chlorine is in group 16

Because chlorine is a noble gas

Because chlorine has a positive charge

Because chlorine is bonded to oxygen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the hypochlorite ion?

-2

-1

0

+1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the oxidation number of chlorine determined in the hypochlorite ion?

By using the charge of the ion and the oxidation number of oxygen

By using the periodic table

By comparing it with other halogens

By measuring the ion's mass

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation number of chlorine in the hypochlorite ion?

+2

+1

-1

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total charge when the oxidation numbers in ClO- are added?

+1

0

-2

-1

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What information is used to find the unknown oxidation number in an ion?

The ion's size

The ion's boiling point

The ion's charge and known oxidation numbers

The ion's color

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the recap section in the video?

To discuss the history of hypochlorite

To explain the uses of hypochlorite

To summarize the process of finding oxidation numbers

To introduce new concepts