International University, Vietnam National University - HCMC GENERAL CHEMISTRY LABORATORY DATA SHEET EXPERIMENT 1: CHEMICAL REACTIONS Group: Section: Date: Group members: _ _ _ _ Duty Group’s signature: Lecturer’s / TA’s signatures: Expt Expt Expt Expt Expt Expt Expt Expt Expt Approval Last updated: 19/02/2017 by MSc Le Nguyen Thien Phuc PART 1: REACTIONS OF Cu2+ Reaction 0.5M CuSO4 Observation + 2M NaOH 0.5M CuSO4 + 2M NH4OH 0.5M CuSO4 0.5M K4[Fe(CN)6] PART REACTIONS OF SILVER HALIDES Reaction 0.5M KCl Observation + 0.1M AgNO3 0.5M KCl + 0.1M AgNO3 + 2M NH4OH 0.5M KCl + 0.1M AgNO3 + 2M KCN 0.5M KBr + 0.1M AgNO3 0.5M KBr + 0.1M AgNO3 + 2M NH4OH Last updated: 19/02/2017 by MSc Le Nguyen Thien Phuc International University, Vietnam National University - HCMC GENERAL CHEMISTRY LABORATORY 0.5M KBr + 0.1M AgNO3 + 2M KCN 0.5M KI + 0.1M AgNO3 0.5M KI + 0.1M AgNO3 + 2M NH4OH 0.5M KI + 0.1M AgNO3 + 2M KCN PART 3: REACTIONS OF H2O2 Reaction 0.1M KMnO4 Observation + 2M H2SO4 + H2O2 0.1M KI + 2M H2SO4 + H2O2 H2O2 + MnO2 Last updated: 19/02/2017 by MSc Le Nguyen Thien Phuc PART 4: REACTIONS OF NITRATE – BROWN RING TEST Reaction 0.5M NaNO3 Observation + Saturated FeSO4 + H2SO4 96% 0.5M NaNO2 + Saturated FeSO4 + H2SO4 96% 0.5M NaNO3 + Saturated FeSO4 + CH3COOH PART 5: REACTIONS OF KMnO4 Reaction 0.5M Na2SO3 Observation + 2M H2SO4 + 0.1M KMnO4 0.5M Na2SO3 + 6N NaOH + 0.1M KMnO4 0.5M Na2SO3 + H2 O + 0.1M KMnO4 Last updated: 19/02/2017 by MSc Le Nguyen Thien Phuc International University, Vietnam National University - HCMC GENERAL CHEMISTRY LABORATORY PART 6: REACTION OF POTASSIUM DICHROMATE (K2Cr2O7) Reaction 2M K2Cr2O7 Observation + 6M H2SO4 + C2H5OH PART 7: REACTIONS OF Fe2+ and Fe3+ Reaction 0.5M FeSO4 Observation + 0.5M KCN 0.5M FeSO4 + 0.1M KSCN 0.5M FeSO4 + 2M KOH 0.5M FeSO4 + 0.5M K4[Fe(CN)6] 0.5M FeSO4 + 2M NH4OH PART 8: REACTIONS OF Al3+ Reaction 0.5M Al2(SO4)3 Observation + 2N NaOH 0.5M Al2(SO4)3 + 2N NaOH + 2M HCl 0.5M Al2(SO4)3 + 2M NaOH Last updated: 19/02/2017 by MSc Le Nguyen Thien Phuc + 2M NaOH PART 9: FLAME TEST Solution Dominant flame color LiCl NaCl KCl CaCl2 BaCl2 Last updated: 19/02/2017 by MSc Le Nguyen Thien Phuc