Concept explainers
Ozone is a power oxidizing agent. Using ozone as the oxidant, write equations to represent oxidation of
a.
b.
c.
d.
e.
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Chapter 22 Solutions
General Chemistry: Principles and Modern Applications - With Solutions Manual and Modified MasteringChemistry Code
- What volume of F2 gas, at 25C and 1.00 atm, is produced when molten KF is electrolyzed by a current of 10.0 A for 2.00 h? What mass of potassium metal is produced? At which electrode does each reaction occur?arrow_forwardWhich of the following elements is most likely to be used to prepare La by the reduction of La2O3: Al, C, or Fe? Why?arrow_forwardSodium hypochlorite is produced by the electrolysis of cold sodium chloride solution. How long must a cell operate to produce 1.500103 L of 5.00% NaClO by mass if the cell current is 2.00103 A? Assume that the density of the solution is 1.00 g/cm3.arrow_forward
- A constant current of 1.25 amp is passed through an electrolytic cell containing a 0.050 M solution of CuSO4 and a copper anode and a platinum cathode until 3.00 g of copper is deposited. a How long does the current flow to obtain this deposit? b What mass of silver would be deposited in a similar cell containing 0.15 M Ag+ if the same amount of current were used?arrow_forwardAn electrochemical cell is made by placing an iron electrode in 1.00 L of 0.15 M FeSO4 solution and a copper electrode in 1.00 L of 0.040 M CuSO4 solution. a What is the initial voltage of this cell when it is properly constructed? b Calculate the final concentration of Cu2+ in this cell if it is allowed to produce an average current of l.25 amp for 375 s.arrow_forwardElectrolysis of an alkaline earth metal chloride using a current of 5.00 A for 748 seconds deposits 0.471 g of metal at an electrode. Is the metal deposited at the cathode or the anode of the electrolytic cell? What is produced at the other electrode? What is the identity of the alkaline earth metal?arrow_forward
- Use Table 17.1 to select (a) a reducing agent in acidic solution that converts ClO3- to Cl2 but not Cr2O72- to Cr3+. (b) an oxidizing agent that converts Mg to Mg2+ but not Mn to Mn2+. (c) a reducing agent in basic solution that converts NO2- to NO3- but not OH- to O2.arrow_forwardWhich of the following statements is not correct? (a) The ease of oxidation of the halide ions is F Cl Br I. (b) Fluorine is the most abundant halogen in the Earths crust. (c) F2 is prepared industrially by electrolysis of aqueous NaF. (d) HF is used to etch glass.arrow_forward(a) Write equations for the half-reactions that occur at the cathode and the anode when an aqueous solution of KCl is electrolyzed. Which chemical species is oxidized, and which chemical species is reduced in this reaction? (b) Predict the products formed when an aqueous solution of CsI is electrolyzed.arrow_forward
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