RedOx Reaction

The loss of electrons is oxidation.

• TRUE

• FALSE

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Increase in oxidation number means gain of electrons.

• TRUE

• FALSE

Tags

NGSS.HS-PS1-2

The atom that is reduced is the oxidizing agent.

• TRUE

• FALSE

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Reduction is gaining of electrons.

• TRUE

• FALSE

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The atom that gained electrons is oxidized.

• TRUE

• FALSE

Tags

NGSS.HS-PS1-2

What is the oxidation number of N in ammonia?

• -1

• -2

• -3

• -4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation number of Fe in FeO?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

For the equation below, which of the following is the oxidizing agent?

H2 + O2 --> H2O

• H2

• O2

• H2O

• O

Tags

NGSS.HS-PS1-2

How many electrons are gained per Cu from the reaction below?

Al  +  Cu+2  -->  Al+3  +  Cu

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-2

What is the numerical coefficient of H2O in a balanced chemical equation below?

Cr2O3 + H2 --> Cr + H2O

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-7