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Organic Chemistry

Blazing goIITian

Joined:	23 Jan 2007
Post:	678

13 Jul 2007 19:20:40 IST

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tautomerism

None

Can someone please explain why HCN shows tautomerism but CH3CN does not?

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arun-rashi

Forum Expert

Joined: 19 Oct 2006

Posts: 1057

14 Jul 2007 07:45:23 IST

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in toutomerism there is simultaneous shifting of acive H and

bond in the molecule for example CH₂=CH-OH to form CH₃CHO where H moves from oxygen atom towards carbon and from this carbon pi bonds moves towards oxygen .this is type known as trid system of tautomerism .in case of HCN to form HNC is example of diad system.but in case of CH₃CN there is no active hydrogen so no tautomerism.

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Blazing goIITian

Joined: 24 Sep 2007

Posts: 411

16 Mar 2009 19:05:34 IST

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who says ki CH3CN don't hav active hydrogen?

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