Edexcel Chemistry Unit 2 inorganic 0.0 / 5 ? ChemistryRedoxASEdexcel Created by: ZoharCreated on: 30-04-16 14:40 Mg + CuSO4 --> MgSO4 + Cu 1 of 40 2HBrO + 2H+ + 2I- --> Br2 + I2 + 2H2O 2 of 40 3 NaClO --> 2NaCl + NaClO3 3 of 40 I2 + 2S2O3^2- --> 2I- + S4O6^2- 4 of 40 Zn(OH)2 + 2OH- --> Zn(OH)4^2- 5 of 40 Mg + O2 --> 2MgO 6 of 40 Mg + Cl2 --> MgCl2 7 of 40 Mg + H2O (g) --> MgO +H2 8 of 40 Mg + H2O (l) --> Mg(OH)2 + H2 9 of 40 CaO + H2O --> Ca(OH)2 10 of 40 MgO + H2SO4 --> MgSO4 + H2O 11 of 40 Ca(OH)2 + 2HNO3 --> Ca(NO3)2 +2H2O 12 of 40 Do sulfates increase or decrease in solubility going down group 2? Decrease 13 of 40 Do hydroxides increase or decrease in solubility going down group 2? Increase 14 of 40 Li2CO3 --> Li2O +CO2 15 of 40 MgCO3 --> MgO + CO2 16 of 40 4LiNO3 --> 2Li2O + 4NO2 + O2 17 of 40 2Mg(NO3)2 --> 2MgO + 4NO2 + O2 18 of 40 2NaNO3 --> 2NaNO2 + O2 19 of 40 Li2CO3 --> Li2O + CO2 20 of 40 Na2CO3.10H2O (s) --> 2NaOH + CO2 + 9H2O 21 of 40 MgCO3 --> MgO + CO2 22 of 40 2Na + Cl2 --> 2NaCl 23 of 40 Cl2 + H2 -(UV)-> 2HCl 24 of 40 Br2 +H2 -(hot Pt)-> 2HBr 25 of 40 KCl + H2SO4 --> KHSO4 + HCl 26 of 40 2HBr + H2SO4 --> Br2 + 2H2O + SO2 27 of 40 2HI + H2SO4 --> I2 + 2H2O + SO2 28 of 40 Cl2 + 2OH- (cold, dilute) --> ClO- + Cl- + H2O 29 of 40 Cl2 + 6OH- (hot, conc) --> ClO3- + 5Cl- + 3H2O (Br/I go to XO3- in cold, dilute) 30 of 40 Which ions form a precipitate with dilute NaOH which dissolves in conc NaOH? Cr, Zn 31 of 40 Which ions form a precipitate with dilute NH3 which dissolves in conc NH3? Cu, Ni, Cr, Zn 32 of 40 Disproportionation of Cu2SO4 Cu2SO4 --> Cu + CuSO4 33 of 40 Reagents and conditions for CuCl --> [CuCl2]- aqueous solution, conc HCl 34 of 40 CuCl formation . 35 of 40 CuI formation and its reaction with NH3 . 36 of 40 Cu2O formation . 37 of 40 Cr2(CH3COO)4(H2O)2 formation . 38 of 40 [Cr(H2O)6]3+ + 4Cl- --> ? [CrCl4]- + 6H2O 39 of 40 How is the equilibrium between CrO4(2-) and Cr2O7(2-) affected by [H+] and [OH-]? CrO4(2-) + 2H+ Cr2O7(2-) + H2O 40 of 40
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