In this assignment you will write a formal laboratory report for the experiment in which you prepared and isolated the various oxidation states of vanadium. Your report will be similar in format to that of a paper found in a journal and needs to contain the following parts:

Scientific papers are typically written in the passive voice, and your paper is to be written following this convention. Your paper is to be typed using 1 inch margins for the top and bottom of the page and 1.5 inch left and right margins. You must use a sarif style font (sarif fonts are easier to read for a typed document, and sans sarif fonts are better for projection). You will submit your paper in electronic form to the instructor via email. Since you are submitting the report in electronic form, you may have to scan graphics. There is a scanner available for you to use in NS 114. Your references must follow the format shown in "The ACS Style Guide."

Include the following in your report:

• Identify the ions formed in each reaction step along with their colors.
• Relate the absorbance maxima of the visible spectra with the colors observed.
• Balance the equation for the following redox reaction in acidic solution
  
  MnO₄^- + VO²⁺ ----> MnO₂ + VO₂⁺
  
  
• Write balanced equations for the other redox reactions in this experiment
• Based on literature electrochemical potentials, make a plot of energy (y-axis) versus oxidation number (x-axis) for the various oxidation states of vanadium. Based on your diagram, which of these states (if any) are unstable with respect to disproportionation?
• Using Pourbaix diagrams, predict the result of mixing each of the four vanadium ions with the zinc ion and the chlorate ion. You will need to learn about Pourbaix diagrams here and here.

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