Single Replacement Reactions

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Types of Chemical Reactions

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Presentation transcript:

Single Replacement Reactions

Single replacement reactions occur when a single uncombined element replaces another element in a compound. 2 Fe(s) + CuSO4 (aq)  3 Fe2(SO4)3 (aq) + Cu (s) 3

Al is more active than H Cl2 is more active than I2 The Activity Series Metals Non-metals Lithium F2 Potassium Cl2 Strontium Br2 Calcium I2 Sodium Magnesium Aluminum Zinc Chromium Iron Nickel Tin Lead Hydrogen Copper Silver Decreasing Mercury Activity Platinum Gold Al is more active than H Cl2 is more active than I2

The Activity Series allow us to predict whether or not a SR reaction will happen: If the single element is more active on the chart compared to the one in the compound, the reaction will happen. If it is not, then there is no reaction. most active Mg(s) + HCl (aq)  2 MgCl2 (aq) + H2(g) Ni(s) + MgCl2  No reaction

Cl2(g) + MgBr2 (aq)  MgCl2 (aq) + Br2(l) 2 Na(s) + HOH (l)  2 2 NaOH (aq) + H2(g) 2 Al(s) + H2SO4 (aq)  3 Al2(SO4)3 (aq) + H2(g) 3

Complete each Reaction. F2(g) + NaCl (aq)  2 2 NaF(aq) + Cl2(g) F is more active Cl2(g) + NaF (aq)  No Reaction F is more active Pb (s) + CuSO4 (aq)  PbSO4 (s) + Cu(s) Pb is more active Low solubility Pb (s) + Al(NO3)(3)(aq)  No Reaction Al is more active Iron metal is added to phosphoric acid. 2Fe(s) + 2H3PO4(aq)  2FePO4(aq) + 3H2(g) Fe is more active