Hydrogentaion of Arene: Why Double Bond Not Broken?

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Discussion Overview

The discussion revolves around the hydrogentation of a cyclic structure, specifically questioning why the double bond in the structure is not broken during the addition of hydrogen atoms. The focus appears to be on the structural and chemical properties of the compound in question.

Discussion Character

  • Homework-related
  • Debate/contested

Main Points Raised

  • One participant questions why the double bond in the cyclic structure is not broken and why two hydrogen atoms are not added to it.
  • Another participant challenges the identification of the structure as phenyl, asserting that it is not phenyl but cyclobutene.
  • Further replies continue to dispute the identification of the structure, with one participant stating it is not cyclobutene either and requesting clarification on the correct structure.
  • A later reply emphasizes the need to understand why the C=C double bond in the cyclic structure remains intact during the reaction.

Areas of Agreement / Disagreement

Participants do not appear to agree on the correct identification of the cyclic structure, with multiple competing views regarding its classification. The discussion remains unresolved regarding the reasons for the behavior of the double bond during hydrogentation.

Contextual Notes

There are limitations in the discussion related to the assumptions about the structure being discussed, as well as the lack of clarity on the specific chemical properties that influence the reaction.

somecelxis
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Homework Statement


why the the double bond in phenyl in not broken , why the 2 H atoms are not added to the double bond in cyclic sturcture


Homework Equations





The Attempt at a Solution

 

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I don't see a phenyl here.
 
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Borek said:
I don't see a phenyl here.

sorry , it's nt phneyl but cyclobutene
 
Not a cyclobutene either.
 
Borek said:
Not a cyclobutene either.

the correct structure is here. why the c= c double bond in the cyclic structure isn't broken?
 

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