Dear aspirant,

There are various online coaching institutes for iit jam chemistry and you can rely on any of these. But if you consider my opinion unacademy will be a better option.

In unacademy there are educated teachers from reputed institutes which will teach you from the basics strengthen your core and then you also have to practice enough number of mock tests for betterment of your preparation so that you can correct your mistakes.

It is always necessary to check your own preparation level so that you can get a clear picture of your performance.

For more information you can check out the link given below-

https://www.careers360.com/question-is-there-any-online-coaching-classes-for-iit-jam-for-chemistry