Home » Ask & Discuss » Chemistry. » Organic Chemistry « Back to Discussion

Organic Chemistry

Cool goIITian

Joined:	30 Nov 2008
Post:	86

11 Jan 2009 11:24:49 IST

0 People liked this

455

In the series for species showing "- I effect" why does -NR3 show more I effect than -NH3?

None

When we arrange various species in decreasing order of -I effect , - NR_3,shows more "-I Effect" than -NH₃

though -R attatched to "N" atom shall diminish its electron attracting capacity and not "H".

Why is it so?

Share this article on:

Comments (2)

RockOn.....

Hot goIITian

Joined: 3 Dec 2008

Posts: 176

11 Jan 2009 12:20:47 IST

Like 1 people liked this

Yaa.. It is right but in -NR₃,due to stearic hiderance nature of -NR₃ i.e.nature of bulky group..Other electrophiles cannot attack on it hence +I effect decrease and due to lone pair of electron on N both causes this effect...

Rate me..... it is useful........

abhishek

Cool goIITian

Joined: 10 May 2008

Posts: 83

11 Jan 2009 14:23:37 IST

Like 1 people liked this

-NR3 group also has a positive charge developed on the nitrogen atom which is stronger than mere electronegativity of the other I- groups.

Quick Reply

Reply

	Some HTML allowed.
	Keep your comments above the belt or risk having them deleted.
	Signup for a avatar to have your pictures show up by your comment
	If Members see a thread that violates the Posting Rules, bring it to the attention of the Moderator Team