reactivity of metals and acids

• What do metals produce when they react with oxygen?

  Metal oxide
• What is oxidation in terms of oxygen?

  Adding oxygen
• What is reduction in terms of oxygen?

  Reduction of oxygen
• What is the initial appearance of magnesium before reacting with oxygen?

  Silver
• What happens when magnesium reacts with oxygen?

  Produces magnesium oxide
• What is the product of copper reacting with oxygen?

  Copper oxide
• How quickly does copper react with oxygen?

  Did not react very quickly
• What is the initial appearance of iron before reacting with oxygen?

  Silver
• What is produced when iron reacts with oxygen?

  Iron oxide
• What is the general word equation for a metal reacting with an acid?

  Metal + acid → salt + hydrogen
• What gas is produced when a metal reacts with an acid?

  Hydrogen
• How can you test for hydrogen gas?

  Using a lit splint
• What sound indicates the presence of hydrogen gas?

  Squeaky pop sound
• Which metals react with acids?

  More reactive than hydrogen
• What type of salt does hydrochloric acid produce?

  Chloride salts
• What type of salt does sulfuric acid produce?

  Sulfate salts
• What type of salt does nitric acid produce?

  Nitrate salts
• What happens when magnesium reacts with hydrochloric acid?

  Produces magnesium chloride and hydrogen
• What is the balanced equation for magnesium reacting with hydrochloric acid?

  Mg + 2HCl → MgCl₂ + H₂
• What happens when aluminium reacts with hydrochloric acid?

  Produces aluminium chloride and hydrogen
• What is the balanced equation for aluminium reacting with hydrochloric acid?

  2Al + 6HCl → 2AlCl₃ + 3H₂
• What happens when zinc reacts with hydrochloric acid?

  Produces zinc chloride and hydrogen
• What is the balanced equation for zinc reacting with hydrochloric acid?

  Zn + 2HCl → ZnCl₂ + H₂
• What observation indicates magnesium reacts quickly with acid?

  Lots of fizzing and bubbling
• What observation indicates lead does not react with acid?

  No bubbling or fizzing
• What observation indicates iron reacts moderately with acid?

  Some bubbling and fizzing
• What observation indicates zinc reacts slowly with acid?

  A little bit of fizzing
• What happens when magnesium reacts with sulfuric acid?

  Produces magnesium sulfate and hydrogen
• What is the balanced equation for magnesium reacting with sulfuric acid?

  Mg + H₂SO₄ → MgSO₄ + H₂
• What happens when aluminium reacts with sulfuric acid?

  Produces aluminium sulfate and hydrogen
• What is the balanced equation for aluminium reacting with sulfuric acid?

  2 Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3 H₂
• What happens when zinc reacts with sulfuric acid?

  Produces zinc sulfate and hydrogen
• What is the balanced equation for zinc reacting with sulfuric acid?

  Zn + H₂SO₄ → ZnSO₄ + H₂
• What happens when magnesium reacts with nitric acid?

  Produces magnesium nitrate and hydrogen
• What is the balanced equation for magnesium reacting with nitric acid?

  Mg + 2HNO₃ → Mg(NO₃)₂ + H₂
• What happens when aluminium reacts with nitric acid?

  Produces aluminium nitrate and hydrogen
• What is the balanced equation for aluminium reacting with nitric acid?

  Al + 3HNO₃ → Al(NO₃)₃ + 1.5 H₂
• What happens when zinc reacts with nitric acid?

  Produces zinc nitrate and hydrogen
• What is the balanced equation for zinc reacting with nitric acid?

  Zn + 2HNO₃ → Zn(NO₃)₂ + H₂
• What is a displacement reaction?

  More reactive metal displaces less reactive metal