Which Option Should I Choose for the Complex Ion Based on the Given Information?

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SUMMARY

The discussion centers on selecting the appropriate complex ion based on the presence of 0.2 mol of Cl- ions, indicating a 1:1 ratio with chromium ions. The options under consideration are B and D. Participants express uncertainty about making a definitive choice due to insufficient information provided in the problem statement. The consensus is that more data is necessary to determine the correct complex ion.

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  • Understanding of complex ion formation
  • Knowledge of stoichiometry and molar ratios
  • Familiarity with chromium chemistry
  • Basic principles of ionic interactions
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TT0
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Homework Statement


Screen Shot 2016-07-02 at 11.36.13 AM.png


Homework Equations

The Attempt at a Solution


There is 0.2 mol of Cl- ions so therefore this leaves us with a 1:1 ratio for the chloride ion to chromium ion in the complex ion. This leaves us with option B or D. However, I am not sure how to choose between them. Can someone give me some advice?

Cheers!
 
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I don't think there is enough information to choose between the two here.
 
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