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Organic Chemistry

Blazing goIITian

Joined:	4 Jun 2007
Post:	434

9 Apr 2009 06:27:10 IST

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1046

nucleophilicity order....

None

how do we come to know the order of nucleophilicity among givem comp????

eg...

CH3 - , NH2 - , OH - , F - ????

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suvam ray

Cool goIITian

Joined: 9 Mar 2009

Posts: 72

9 Apr 2009 08:47:09 IST

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Among the given compunds CH3- will be strongest base ........and hence strongest nucleophil;e

akshay A NEW BEGINNING...

Blazing goIITian

Joined: 25 Dec 2007

Posts: 1104

9 Apr 2009 08:53:49 IST

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here is the order .....nucleophile must be best electron donor..CH3->NH2->OH->F-

Mirka

Blazing goIITian

Joined: 13 Aug 2008

Posts: 1313

9 Apr 2009 09:01:37 IST

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Yes,

nucleophilicity = e^-donation

so it decreases with increasing electronegativity ...

nd here theyre all elements of same row, nd u knoe F is most electro-ve,

so above order perfect !

**************

Blazing goIITian

Joined: 31 Mar 2009

Posts: 369

9 Apr 2009 21:44:12 IST

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BEST ELECTRON DONOR AS WELL AS STRONGER BASE AND ALSO STERIC EFFECT NEED TO BE TAKEN INTO ACCOUNT

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