Oxidation numbers

What is the oxidation state of Cl in ClO^- ?

• 0

• +1

• -1

• +2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation state of Cu in Cu²⁺?

• -1

• -2

• +2

• 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation state of H in H₂?

• +2

• +1

• 0

• None of the above

Tags

NGSS.HS-PS1-2

What is the oxidation state of Pb in PbO ?

• +2

• +4

• 0

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

C in CO₃^2-?

• -4

• +2

• 0

• +4

Tags

NGSS.HS-PS1-2

S in HSO₄^- ?

• +5

• -6

• +6

• +2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

H in NaH ?

• +1

• 0

• -1

• None of the above

Tags

NGSS.HS-PS1-2

Is this oxidation or reduction: SO₄^2- becomes SO₂

• Oxidation

• Reduction

• Neither

• Both

Tags

NGSS.HS-PS1-2

What type of reaction is this: C₂H₂ becomes C₂H₆

• Reduction

• Oxidation

• Neither

• Combustion

Tags

NGSS.HS-PS1-2

What type of reaction is this: SF₄ becomes SF₆

• Hydrogenation

• Reduction

• Oxidation

• None of the above

Tags

NGSS.HS-PS1-2