Ortho- para ratio 

Very good explanation sir....

Apke video se bahut help milti hai sir dhanyawad 🙏ap aise hi age video provide karte rhiye 👍 hame bahut help ho jata hai or kahi topic milta hi nhi

Shaandaar🎉

Thankyou soooooooooo much bhaiya thanks 🙏🙏🙏🙏👍👍👍👍👍 thanks continue

Thank you so much respected sir

Thank you....

This video is very helpful for us Thanku😍

Bhai maja aya😊

Thank you sir🙏

❤❤❤

Sir but halogens also show plus R and hence flourobenzene is more reactive towards electrophillic substitution reaction ?? Please sir reply

Amazing

Thank such a nice class

NO2 is meta directing group. How can it attack on para and ortho?

👍

Hindi me notes provide nahi kara sakte