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Scholar
Karma Points: 200
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Date Posted: 7/23/2008 2:45:34 PM  Status: Live
Correct formula?
Course Textbook Chapter Problem
General Chemistry Chemistry (9th) by Chang N/A N/A
Question Details:
The correct formula for the dichlorobis(ethylenediamine)chromium(III) ion is ________.
  1. [Cr(en)2Cl2]3+
  2. [Cr(en)Cl2]+
  3. [Cr(en)2Cl2]2+
  4. [Cr(en)2Cl2]+
  5. [Cr(en)3Cl2]+
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Oracle
Karma Points: 10,238
Date Posted: 7/23/2008 4:23:13 PM  Status: Live
Asker's Rating: Lifesaver   
Response:
dichloro means two chloride ions (2-).....with Chromium(III) at 3+....the overall charge would be 1+......makes answers b,d,and e the only possibles.
"bis" means two ethylenediamines.........reducing choices to only d
 
answer is d
 
Bertalsteinein's Comment:
Very clear, thank you
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