hey don't be upset actually its very easy if u understand it conceptually give atleast 1 hour a day for 4-5 days for clearing its concepts u will find that now u r able to solve questions just read O.P.tandon firstly and then solve its exersice u will find some querries in it clear ur problems then from arihant org. chem. i m sure if do that much only u can solve each n every ques of it ok bye have a nice day!!!!!!!!!