Oxidation-Reduction Reactions

Define Oxidation

1 pts

volume_mute

Based on the transfer shown above, which statement correctly defines oxidation?

The transfer of a proton between molecules.

The formation of an insoluble precipitate.

The gain of electrons, shown as a decrease in oxidation number.

The loss of electrons, shown as an increase in oxidation number.

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Explanation

Redox Vocabulary

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volume_mute

To complete the line match

Click on an item in the first group
Click on an item in the second group
To delete a match, double click on a line

Process

Reduction

Redox reaction

Oxidation

Meaning

gain of electrons; oxidation number decreases

loss of electrons; oxidation number increases

a reaction involving the transfer of electrons

Match each process with its meaning.

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Explanation

Assign Oxidation Numbers

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volume_mute

Drag the correct oxidation number into each blank for Ca(NO₃)₂:
Ca = (1) N = (2) O = (3)

Please drag and drop the selected option in the right place or type it instead

+1

+4

-1

-2

+2

+5

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Classify by Sulfur's Oxidation Number

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volume_mute

Species

×S₈

×SO₂

×SF₆

×SO₃

×Na₂S

×K₂SO₃

×Na₂SO₄

+6

+4

0

-2

Determine the oxidation number of the sulfur atom in each species, then drag it into the matching column.

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Explanation

Which Are Redox Reactions?

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volume_mute

Select every reaction that is an oxidation-reduction (redox) reaction.

2K(s) + Br₂(ℓ) → 2KBr(s)

2Li(s) + O₂(g) → Li₂O₂(s)

2Ca(s) + O₂(g) → 2CaO

NaCl(aq) + AgNO₃(aq) → NaNO₃(aq) + AgCl(s)

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Explanation

Oxidation Number in an Ion

1 pts

volume_mute

What is the oxidation number of nitrogen in the nitrate ion, NO3⁻?

+5

-3

+6

+3

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Define Oxidation

Correct Answer

Explanation

Redox Vocabulary

Process

Meaning

Correct Answer

Explanation

Assign Oxidation Numbers

Correct Answer

Explanation

Classify by Sulfur's Oxidation Number

Correct Answer

Explanation

Which Are Redox Reactions?

Correct Answer

Explanation

Oxidation Number in an Ion

Correct Answer

Explanation

Quran Recitation

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