Understanding Acetate Ion and Manganese Compounds

Understanding Acetate Ion and Manganese Compounds

Assessment

Interactive Video

Chemistry

10th - 12th Grade

Hard

Created by

Lucas Foster

FREE Resource

This video tutorial explains how to write the chemical formula for manganese(II) acetate, Mn(CH3COO)2. It covers the acetate ion's structure and charge, the naming of manganese from the periodic table, and the importance of balancing charges between the metal and the polyatomic ion. The tutorial also discusses the use of Roman numerals to indicate the charge of transition metals and provides a step-by-step guide to writing the formula from the compound's name.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the acetate ion?

1+

1-

2-

2+

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the acetate ion sometimes written differently?

CH3COO2-

CH3COOH

C2H3O2-

CH3COO-

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in naming the compound Mn(CH3COO)2?

Balance the charges

Determine the charge of the acetate ion

Write the name of the metal

Identify the charge of manganese

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it necessary to include a Roman numeral in the name of manganese acetate?

To show the total charge of the compound

To specify the charge of manganese

To differentiate it from other metals

To indicate the number of acetate ions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of manganese in manganese acetate?

4+

2+

1+

3+

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many acetate ions are needed to balance the charge of manganese in Mn(CH3COO)2?

Four

Three

Two

One

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of balancing charges in a chemical formula?

To increase the compound's solubility

To make the compound more reactive

To change the compound's color

To ensure the compound is stable

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct name for Mn(CH3COO)2?

Manganese(IV) acetate

Manganese(II) acetate

Manganese acetate

Manganese(III) acetate