Oxidation States and Manganese Compounds

Oxidation States and Manganese Compounds

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Sophia Harris

FREE Resource

This video tutorial explains how to determine the oxidation numbers for each element in the compound Mn3(PO4)2, known as manganese(II) phosphate. It begins by discussing the neutrality of the compound and the role of the phosphate ion. The tutorial then walks through the calculation of oxidation numbers, focusing on manganese and its bonding. The video concludes with a reference to additional resources for further learning.

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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the overall charge of the compound Mn3(PO4)2?

Neutral

Positive

Depends on the environment

Negative

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which ion is present in Mn3(PO4)2 that helps determine the oxidation numbers?

Sulfate ion

Phosphate ion

Nitrate ion

Carbonate ion

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total oxidation number for the phosphate ion in Mn3(PO4)2?

-3

+6

-6

+3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many manganese atoms are present in Mn3(PO4)2?

Four

One

Two

Three

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation number of each manganese atom in Mn3(PO4)2?

+1

+4

+2

+3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the phosphate ion contributes a -6 charge, what must the manganese atoms contribute to balance the compound?

+3

+6

+9

+12

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