Chem 2 Homework Week 3 and 4

What is the oxidation number of oxygen in oxide ion?

• 0

• -1

• +1

• -2

• +2

The oxidation number of sodium in sodium chloride is

• 0

• +1

• -1

• -2

• +2

What is the oxidation number of nitrogen in ammonia

• +3

• -3

• +2

• -2

What is the oxidation number of Fe in FeO?

• +1
• -1
• +2
• -2

Tags

NGSS.HS-PS1-2

What is the oxidation number of O in CO₂?

• +2
• -1
• +4
• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Identify the reaction type:
C₂H₅OH(l) + O₂(g) --> CO₂(g) + H₂O_(g)

• Double displacement
• Synthesis
• Acid base
• Combustion

Which of the following compounds is NOT an ionic compound?

• NaCl
• NH₃
• Fe₂O₃
• HCl

Tags

NGSS.HS-PS1-3

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?

• alkali metals
• noble gases
• halogens
• alkaline earth metals

What is the oxidation number of Ca in Ca₃N₂?

• +3
• +2
• -3
• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2