Does NCERT cover the entire JEE main Chemistry syllabus?
Yes NCERT books cover whole syllabus of JEE main Chemistry. Chemistry is well written in NCERT. If you talk with JEE mentors or recent JEE toppers then they will suggest you to start your preparation with NCERT books. These books cover the entire syllabus and do not contain 200-300 pages for each chapter so you can complete them easily. Also this book is really important for JEE examination as many questions are asked directly from this book. If you analyse previous years question papers then find out that around 100% of questions are asked from NCERT in inorganic section. Many students have doubts that is NCERT enough for JEE preparation. So most JEE mentors and JEE experts say that NCERT books are designed for JEE and cover full syllabus and it is very important for JEE as you will get many questions from NCERT. But also you will find some application based questions for that you may need other books to follow.