1 / 1 100% + QUESTIONS AND PROBLEMS 1. Complete the equations of the following reactions and balance them: (a) K S + KMn

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1 1 100 Questions And Problems 1 Complete The Equations Of The Following Reactions And Balance Them A K S Kmn 1 (113.6 KiB) Viewed 181 times

1 / 1 100% + QUESTIONS AND PROBLEMS 1. Complete the equations of the following reactions and balance them: (a) K S + KMnO, +H SOA=S + .... (b) KI + K Cr20- + H2SO. = 12 + ... (c) KMnO4 + H202 = ... 2. Indicate the direction in which the following reactions can proceed spontaneously: (a) H2O2 + HCIO = HCI + O2 + 1:0 (b) H3PO4 + 2HI = H PO; + 12 + H2O 3. Can a salt of iron (III) be reduced to a salt of iron (II) in an aqueous solution by (a) potassium bromide, (b) potassium iodide? 4. Using the table of standard electrode potentials, calculate the equilibrium constants for the following reactions: (a) Zn + CuSO4 = Cu + ZnSO. (b) Sn + Pb(CH2C00)2 = Sn(CH COO)2 + Pb