Redox Review

Redox reaction is a kind of reaction in which ... reactions occur.

• reduction

• oxidation

• reduction and oxidation

• acid and base react

The oxidation reaction will _______ the electron.

• gain

• lose

• produce

• make

In the reduction reaction, the oxidation agent will hold______ the oxygen amount.

• less

• more

• same

• no

Find the wrong statement about the chemical reaction.

• Fe is being oxidized.

• Oxygen is being reduced.

• It is redox reaction.

• Oxygen is a reducing agent.

Classify chemical reaction marked by X and Y in order.

• oxidation

• reduction

• oxidation- reduction

• reduction- oxidation

Find the correct statement about that chemical reaction.

• Magnesium is oxidation agent because the oxidation number is increasing from 0 to +2.

• Magnesium is being reduced because the oxidation number is increasing from 0 to +2.

• Oxygen is reducing agent because the oxidation number is decreasing from 0 to -2.

• Oxygen is oxidation agent because the oxidation number is decreasing from 0 to -2.

Look at the piccture, then determine the oxidation agent.

• Mn

• I

• O

• I2

Look at the diagram, then determine the oxidation number of P.

• 0

• 3

• 1

• 0, 3, 1

Look at the diagram. Mention the material for cathode and anode in order.

• Zinc (Zn)

• Copper (Cu)

• Zinc (Zn) and Copper (Cu)

• Copper (Cu) and Zinc (Zn)

In the reaction, we can see that carbon dioxide is _____ to ______ .

• oxidized- carbohydrates

• oxidized- water

• reduced- carbohydrates

• reduced- water