CHEM 1210 Final Exam Study Guide

Chapter 10-12 Practice Exam Key

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2 Responses to Chapter 10-12 Practice Exam Key

  1. Chelsea Skinner says:

    For #15 on the ch. 10-12 practice exam, the answer key says Fe^3+ is the ion with the greatest number of unpaired electrons. Wouldn’t Co^2+ have 5 unpaired electrons and Fe^3+ only have 3 based on the block diagrams? I am confused about what I did wrong. Thank you for your time.

    • fus says:

      If you look on page 262 of the text book it talks about how when an electron is removed from a transition metal they are removed from the orbital with the highest principle quantum number. Are you doing that here?

      Be sure to read page 262 and look at Sample Exercise 7.7 and it will walk you through how to solve this problem?

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