Displacement Reactions

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Presentation transcript:

Displacement Reactions

Which metal here is the most reactive? How do you know? Put the metals in order from most to least reactive?

The Reactivity Series of Metals Some metals are more reactive than others. The reactivity series is a list of metals IN ORDER from the most to the least reactive,

What is a Displacement Reaction? “Displace” means to “SHIFT” In a displacement reaction a MORE reactive metal will SHIFT a LESS reactive metal from a solution and take its place. Example: Copper and Silver Nitrate Which is the most reactive metal, Cu or Ag?

Copper and Silver Nitrate Reaction Copper is MORE reactive than silver so it will SHIFT the silver out of the compound and take it’s place. Word Equation Copper + Silver Nitrate Copper Nitrate + Silver Symbol Equation Cu + AgNO3 Cu(NO3)2 + Ag Balanced Symbol Equation Cu + 2AgNO3 Cu(NO3)2 + 2Ag

A Spectator Ion In the reaction above, the nitrate ion is present as a reactant and a product but DOES NOT take part in the reaction. It is called a spectator ion.

Your turn to predict if a reaction will occur Magnesium and Lead Nitrate? Zinc and Lead Nitrate? YES to both What is the spectator ion in each reaction? The nitrate ion

What about Copper and Lead Nitrate? This reaction won’t happen because copper is below lead on the reactivity series.

Practical Time Complete pages 14 and 15 of your booklet Revision time on page 16