1.

Explain why is - NH2 an ortho- para directing group but - N02 is a meta directing group

Answer»

The NH2 group contains lone pair so NH2 donate it to benzene ring ......
ND atom which donate electrons known as activating groups ...
activating groups SHOW electron density at ortho - PARA so that they called ortho - para directing groups


the NO2 is electron withdrawing group as it no contains lone pair
electron withdrawing group is known as.
deactivating group
they show e- density at meta position ...
so that ...NO2 known as meta directing

I hope u UNDERSTAND it


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