Electrochemistry #2

A redox reaction is NOT:

• all reactions

• a combustion reaction

• a reduction-oxidation reaction

• a reaction in which electrons are transferred from one atom to another

Tags

NGSS.HS-PS1-2

Combustion and single-replacement reactions are __________ redox reactions.

• always

• never

• sometimes

• mostly

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NGSS.HS-PS1-2

Defined as the loss of electrons.

• oxidation

• reduction

• redox

• OIL RIG

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NGSS.HS-PS1-2

NGSS.HS-PS1-1

Defined as the gain of electrons.

• oxidation

• redox

• reduction

• LEO GER

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NGSS.HS-PS1-2

Cl₂ + 2e- --> 2Cl ^- is an example of:

• a chemical reaction

• redox

• oxidation

• reduction

Tags

NGSS.HS-PS1-2

These keep track of the movement of electrons.

• (+) and (-) signs

• oxidation numbers

• coefficients

• subscripts

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NGSS.HS-PS2-5

What is the oxidation number of C in SrCO₃?

• -4

• +2

• -6

• +4

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Substance that oxidizes another substance by accepting its electrons.

• reducing agent

• oxidation number

• combustion

• oxidizing agent

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NGSS.HS-PS1-2

NGSS.HS-PS1-1

Substance that reduces another substance by losing electrons.

• reducing agent

• half-reaction

• electronegative atom

• oxidizing agent

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

What is a half-reaction of this equation, Na + Cl --> NaCl ?

• Cl + e^- --> Cl^-

• Cl - e^- --> Cl^-

• Na --> Na + e^-

• Na° + Cl°--> Na⁺¹Cl^-1

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1