Balancing Chemical Reactions and Oxidation States

Balancing Chemical Reactions and Oxidation States

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video explores the reaction between iron(III) oxide (Fe2O3) and carbon monoxide (CO). Initially, it seems like a single displacement reaction, but it doesn't fit the pattern. The video explains that it's not a single or double replacement reaction but can be classified as a redox reaction due to electron exchange. The oxidation states of iron and carbon change, indicating a redox process. The video concludes with a mention of resources for balancing the equation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the reactants in the reaction discussed in the video?

Iron(II) chloride and carbon dioxide

Iron(III) chloride and carbon monoxide

Iron(II) oxide and carbon dioxide

Iron(III) oxide and carbon monoxide

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the reaction not fit the single replacement pattern?

Because it involves a decomposition

Because it does not follow the A + BC format

Because iron is not by itself

Because it involves a double replacement

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main reason the reaction is not classified as a double replacement?

It involves a synthesis reaction

Iron is by itself

Carbon is by itself

Oxygen is by itself

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction involves the exchange of electrons?

Synthesis reaction

Decomposition reaction

Redox reaction

Double replacement reaction

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation state of iron in the reactant Fe2O3?

2+

4+

3+

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the oxidation state of iron after the reaction?

4+

3+

2+

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the change in oxidation state for carbon in the reaction?

From 2+ to 0

From 4+ to 2+

From 2+ to 4+

From 0 to 2+

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