REDOX REACTIONS REVIEW/TEST

What is the oxidation number of Fe in FeO?

• +1
• -1
• +2
• -2

Tags

NGSS.HS-PS1-2

What is the oxidation number of C in CO₂?

• +2

• -1

• +4

• -2

What is the oxidation number of N in NO₃^1- ?

• -3

• +5

• -2

• +3

A chemical reaction that involves a gain/loss of electrons is called:

• Double Replacement
• Neutralization
• Oxidation-Reduction
• Hydrolysis

Tags

NGSS.HS-PS1-2

What is the oxidation of C in CH₄?

• -4
• -1
• +4
• +1

Tags

NGSS.HS-PS1-2

What element's don't have oxidation numbers (Think based on their reactivity)?

• alkali metals

• noble gases

• halogens

• alkaline earth metals

What is oxidation number of Cr in Cr₂O₃ ?

• 0

• +3

• -2

• +4

What is the oxidation number of P in P₄O₁₀?

• +5

• +2

• -3

• -2

What is the oxidation number of S in SO₃ ^2- ?

• -2

• +4

• +6

• -4

What is oxidation number of Cr in

K₂Cr₂O₇?

• -2

• +2

• +6

• +12