Nucleophile strength?

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Ishan Ayyala 2K
Posts: 31
Joined: Fri Sep 25, 2015 3:00 am

Nucleophile strength?

Postby Ishan Ayyala 2K » Sat Feb 27, 2016 6:35 pm

Are there varying strengths for nucleophiles? Are triple bonds stronger nucleophiles than double or single bonds?

James Cheng 3I
Posts: 15
Joined: Fri Sep 25, 2015 3:00 am

Re: Nucleophile strength?

Postby James Cheng 3I » Sat Feb 27, 2016 7:03 pm

Yes, there are varying strengths for nucleophiles. In general, the more electronegative something is, the weaker its nuceophile strength will be. Also, as electron density increases, so does its nucleophile properties.

Rachel Lipman
Posts: 45
Joined: Fri Sep 25, 2015 3:00 am

Re: Nucleophile strength?

Postby Rachel Lipman » Sun Feb 28, 2016 1:53 pm

In a question of say "which is more nucleophilic" or say "which is the stronger nucleophile" you must look at polarizability of the elements in question. The higher the polarizability (the more electrons, the more free flowing) the stronger the nucleophile.


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