Unraveling the Mystery of Cu(en)2 in Chemistry

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Discussion Overview

The discussion revolves around the chemical compound [Cu(en)2(H2O)2]2+, specifically focusing on the identity of "en" in this context. Participants explore the chemical formula associated with ethylenediamine and clarify its structural representation, while also touching on its applications.

Discussion Character

  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires about the meaning of "(en)" in [Cu(en)2(H2O)2]2+.
  • Another participant asserts that "(en)" stands for ethylene diamine, C2H8N2.
  • A different participant corrects the previous claim, stating that ethylene diamine is C2H6N2, suggesting that C2H8N2 refers to ethane diamine.
  • Another participant counters, insisting that ethane-1,2-diamine, also known as ethylenediamine, is indeed C2H8N2, while C2H6N2 is a different compound.
  • One participant mentions that most online sources support the formula C2H8N2, aligning with their understanding.
  • Another participant reiterates the identity of ethylenediamine as ethane-1,2-diamine and acknowledges the confusion regarding the formula.
  • One participant introduces the idea that ethylenediamine is relevant in the context of treating poisonings from heavy metals.
  • A participant shares the structural formula for ethylenediamine, suggesting clarity in the discussion.

Areas of Agreement / Disagreement

Participants express disagreement regarding the correct chemical formula for ethylenediamine, with some asserting C2H8N2 and others claiming C2H6N2. The discussion remains unresolved as multiple competing views persist.

Contextual Notes

There is ambiguity surrounding the definitions and nomenclature of the compounds discussed, which may contribute to the confusion among participants.

dumbadum
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Cu(en)2 ??

I was wondering what the (en) stood for in
[Cu(en)2(H2O)2]2+
I was surfing the web and noticed that it appeared in several articles. Thanks!
 
Chemistry news on Phys.org
(en) denotes ethylene diamine, C2H8N2.
 
t!m said:
(en) denotes ethylene diamine, C2H8N2.
No, ethylene diamime is \text{C}_2\text{H}_6\text{N}_2 :wink:
(six not eight, hydrogen atoms)

C2H8N2 is ethane diamine.
 
Last edited:
No, ethane-1,2-diamine, more commonly known as ethylenediamine, is \text{C}_2\text{H}_8\text{N}_2.

\text{C}_2\text{H}_6\text{N}_2 is something different.
 
While I may not know much about chemistry, 99% of the hits I got from google returned the formula- C2H8N2, thereby concurring with t!m.
 
t!m said:
No, ethane-1,2-diamine, more commonly known as ethylenediamine, is \text{C}_2\text{H}_8\text{N}_2.

\text{C}_2\text{H}_6\text{N}_2 is something different.

Ahh, so ethylenediamine is ethane-1,2-diamine...yes, in that case, it is \text{C}_2\text{H}_8\text{N}_2 :rolleyes:

(Not 1,2-diaminoethylene--i.e., that \text{C}_2\text{H}_6\text{N}_2 I mentioned before)
 
what is more important to know is that en=cure for poisonings from stuff like lead and other heavy metals.
 
H2N-CH2-CH2-NH2

and everything is clear :)
 

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