F321 equations 1.0 / 5 based on 1 rating ? ChemistryF321ASOCR Created by: georgiacampCreated on: 08-03-14 19:17 Ionisation energy X(g) -> X+(g) + e- 1 of 16 2nd ionisation energy X+(g) -> X2+ +e- 2 of 16 metaloxide+acid->salt +H2O (group 2) e.g. CaO(s)+2HCl(aq)->CaCl2(aq)+H2O(l) 3 of 16 metal carbonate+acid->salt+CO2+H2O e.g.CaCO3(s)+2HCl(aq)->CaCl2(aq)+CO2(g)+H2O(l) 4 of 16 acid+alkali->salt+water e.g. NaOH(aq)+HCl(aq)->NaCl(aq)+H2O(l) 5 of 16 group 2 elements with oxygen->oxide e.g. Ca+1/2O2->CaO 6 of 16 group 2 elements with water->hydroxide and hydrogen e.g. Ca(s)+2H2O(l)->Ca(OH)2(aq)+H2(g) 7 of 16 group 2 oxide with water->hydroxide(aq) e.g. MgO(s)+H2O(l)->Mg(OH)2(aq) 8 of 16 thermal decomposition of the carbonates->metal oxide and CO2 e.g. MgCO3(s)->MgO(s)+CO2(g) 9 of 16 halides Cl2(yellow)(aq)+2Br-(aq)->2Cl-(aq)+BR2(aq) orange...organic solvent->Br2(org)=orange 10 of 16 halides Cl2(yellow)(aq)+2I-(aq)->2Cl-(aq)+I2(aq) brown...organic solvent->I2(org)=purple 11 of 16 halides Br2(orange)(aq)+2I-(aq)->2Br-(aq)+I2(aq) brown...organic solvent->I2(org)=purple 12 of 16 water treatment with chlorine Cl2+H2O->HCl+HOCl 13 of 16 making bleach Cl2+2NaOH->NaClO+NaCl+H2O 14 of 16 testing for halide ions X=Cl/Br/I adding aqueous silver nitrate solution= Ag+(aq)+ X- ->AgX(s) AgCl=white ppt, AgBr=cream, AgI=yellow 15 of 16 testing for halide ions dilute ammonia solution: Chloride= solid dissolves Bromide and Iodide= solid remains. Concentrated ammonia solution, Bromide+dissolves, Iodide=remains 16 of 16
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