Question
Thu February 28, 2008 By:

What is +I and -I effect?

Expert Reply
Sun March 02, 2008

+ I effect is shown by alkyl group bigger the group greater the +I effect. electrons are pushed towards the carbon atom increasing the electron density on the carbon atom. In -I effect electrons are moved away fron the carbon atom decreasing the electron density on the carbon atom, pulling of electrons away is seen in groups like NO2- Cl-

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