how to prepare or we can say revise well for iit in 3 days?

Its 2 days now!!

I would say take an overview of all the formulaes and important concepts and solve atleast a total of two more sample papers from this site. It has good papers. I too am appearing for iit on sunday

Best of Luck

Please hit the Yes button if I helped.

Hi Isha,

Revise all the formulae & their applications from the chapters u have prepared till now.... dont try to now prepare those topics which u havent started till now...but, have a look at atleast formulae from all chapters....

have a look at reaction chains, mechanisms well in organic chemistry......

hope u do well in the exam...

All The Best...... :)