C4f transition elements 0.0 / 5 ? ChemistryAtomsGCSEOCR Created by: WiktoriaGrudzinskaCreated on: 29-12-15 22:14 what is the usual colour of the transition element copper ? blue 1 of 23 what is the usual colour of the transition element Iron (II) ? light green 2 of 23 what is the usual colour of the transition element Iron (III) ? red-ish/brown-ish 3 of 23 what is a catalyst? chemical that speeds up a reaction but doesn't change/used up by the reaction 4 of 23 what are the two uses of transition metals as a catalyst ? 1) its used in the haber process 2) its used in manufacturing of margarine (nickel) 5 of 23 what is the carbonate of iron(II) transition metals ? Iron = Fe(II)CO3 6 of 23 what is the carbonate of copper transition metals ? copper= CuCO3 7 of 23 what is the carbonate of manganese transition metals ? manganese= MnCO3 8 of 23 what is the carbonate of zinc transition metals ? zinc= ZnCO3 9 of 23 what is thermal decomposition ? when a coloured carbonate is heated and broken down 10 of 23 what is the word equation for the thermal decomposition of the transition element copper ? copper carbonate = copper oxide + carbon dioxide 11 of 23 what is the word equation for the thermal decomposition of the transition element zinc zinc carbonate = zinc oxide + carbon dioxide 12 of 23 what is the word equation for the thermal decomposition of the transition element manganese manganese carbonate = manganese oxide + carbon dioxide 13 of 23 what is the word equation for the thermal decomposition of the transition element iron iron carbonate = iron oxide + carbon dioxide 14 of 23 what is the balanced symbol equations for the thermal decomposition for the transition element carbonate iron? Fe(II)CO3 = FeO + Co2 15 of 23 what is the balanced symbol equations for the thermal decomposition for the transition element carbonate zinc ? ZnCO3 = ZnO + Co2 16 of 23 what is the balanced symbol equations for the thermal decomposition for the transition element carbonate manganese? MnCO3=MnO + Co2 17 of 23 what is the balanced symbol equations for the thermal decomposition for the transition element carbonate copper ? CuCO3 = CuO + Co2 18 of 23 what is one feature of thermal decomposition reactions ? there is always a colour change 19 of 23 how can you identify the presence of transition metals ions in solutions A) Cu^2+ B)Fe^2+ C)Fe^3+ ? transition metals react with sodium hydroxide presenting a solid particular colour 20 of 23 what is the balance symbol equation for the reaction between Cu^2+ and OH^- Cu + 2OH = Cu(OH)2 21 of 23 what is the balance symbol equation for the reaction between Fe^2 and OH^- Fe + 2OH = Fe(OH)2 22 of 23 what is the balance symbol equation for the reaction between Fe^3 and OH^- Fe + 3OH = Fe(OH)3 23 of 23
Comments
No comments have yet been made