Attack of electrophile at para or ortho?

[desmond iking]

attack of electrophile at para or ortho position of amine?S.ince para location is substituted with substituent so the ortho position of benzene H atom will be substituted ... My question is which one OH or NO2 determine the para or ortho position?? Why is it so?

 

[oldspice1212]

http://en.wikipedia.org/wiki/Arene_substitution_pattern Give this a read it might help you, and yes it's wikipedia haha, but I think this might help you find a solution to your answer, good luck!

 

[SnoeShoes]

OH and NH2 is ortho and para director, NO2 is meta director for electrophile substitution.