Reactivity Series S4

Reactivity Series Reactions involving Metals

Chemical Properties ,[object Object],[object Object],[object Object],[object Object]

Reactivity and Periodic Table ,[object Object],[object Object]

RXN with COLD WATER ,[object Object],[object Object]

RXN with COLD WATER Enough to ignite H 2 (lilac flame) H 2 MAY be ignited (yellow flame) 2Na (s) + 2H 2 0 (l )  2NaOH (aq) + H 2 (g) ,[object Object],[object Object],Sodium (Na) 2K (s) + 2H 2 0 (l )  2KOH (aq) + H 2 (g) ,[object Object],[object Object],Potassium (K) Equation Observations Metal

RXN with COLD WATER (cont’d) A test tube of H 2 can be collected after a few days If all RXN are exothermic, how do you determine which metal is more reactive than another? Mg (s) + 2H 2 0 (l )  Mg(OH) 2 (s) + H 2 (g) ,[object Object],[object Object],Magnesium (Mg) Ca (s) + 2H 2 0 (l )  Ca(OH) 2 (aq) + H 2 (g) ,[object Object],[object Object],Calcium (Ca) Equation Observations Metal ? ?

RXN with COLD WATER (cont’d)  Only the MORE REACTIVE metals are able to react with COLD WATER NO RXN NO RXN Zinc (Zn) Iron (Fe) Lead (Pb) Copper (Cu) Silver (Ag) Equation Observations Metal

RXN with STEAM ,[object Object],[object Object],Think of how K, Na and Ca will react with steam? ? ? Think of how Cs, Rb will react with cold water / steam?

RXN with STEAM NO RXN NO RXN Pb, Cu, Ag 3Fe (s) + 4H 2 0 (g)  Fe 3 0 4 (s) + 4H 2 (g) ,[object Object],Iron (Fe) Zn (s) + H 2 0 (g)  ZnO (s) + H 2 (g) ,[object Object],Zinc (Zn) Mg (s) + H 2 0 (g)  MgO (s) + H 2 (g) ,[object Object],Magnesium (Mg) Equation Observations Metal

RXN with DILUTE HCl/ H 2 SO 4 ,[object Object],[object Object],[object Object]

RXN with Dilute HCl Ca (s) + 2HCl (aq)  CaCl 2 (aq) + H 2 (g) ,[object Object],[object Object],Calcium (Ca) 2Na (s) + 2HCl (aq)  NaCl (aq) + H 2 (g) ,[object Object],[object Object],Sodium (Na) 2K (s) + 2HCl (aq)  2KCl (aq) + H 2 (g) ,[object Object],[object Object],Potassium (K) Equation Observations Metal

RXN with Dilute HCl (cont’d) NO RXN NO RXN Cu, Ag, Au Fe (s) + 2HCl (aq)  FeCl 2 (aq) + H 2 (g) ,[object Object],[object Object],Iron (Fe) Zn (s) + 2HCl (aq)  ZnCl 2 (aq) + H 2 (g) ,[object Object],[object Object],Zinc (Zn) Mg (s) + 2HCl (aq)  MgCl 2 (aq) + H 2 (g) ,[object Object],[object Object],Magnesium (Mg) Equation Observations Metal

RXN with CONC. ACIDS ,[object Object],? What will happen to solid iron when reacted with HNO 3 ?

Reactivity (as seen from experiments) ,[object Object],[object Object],[object Object],[object Object],[object Object],Summary HERE

Reactivity Series of Metals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Tendency for RXN to be Vigorous

Reactivity Series (Position of H) ,[object Object],[object Object],[object Object]

Reactivity Series (Position of Al) ,[object Object]

Stability of Metal Compounds ,[object Object],[object Object],[object Object]

Stability of Metal Oxides ,[object Object],[object Object]

Stability of Metal Oxides ,[object Object],[object Object],[object Object]

Stability of Metal Oxides ,[object Object]

Stability of Metal Hydroxides ,[object Object],? How to extract Calcium / Copper from their Hydroxides?

Stability of Metal Carbonates ,[object Object],[object Object]

Stability of Metal Nitrates ,[object Object]

Stability of Metal Nitrates ,[object Object],[object Object],Summary HERE

Displacement Power of Metals ,[object Object],[object Object],2e - : electrons flow Recall: More reactive Metals tend to form IONS Less reactive Metals tend to form ATOMS

Reactivity Series S4

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Reactivity Series S4