Dear aspirant !

Hope you are doing good !

Chemistry topics with highest weightage in JEE Mains are : Transition Elements, Coordination Chemistry, Periodic table, Representative Elements, Gaseous State, Atomic Structure, Chemical Bonding, Chemical And Ionic Equilibrium, Nuclear Chemistry.

Hope it helps you ;

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The chapters with high weightage in JEE 2024 according to NCERT books are:

1. Transition Elements & co-ordination Chemistry
2. Periodic table and representative elements
3. Solid state and surface Chemistry
4. Thermodynamics & gaseous state
5. Atomic structure
6. Chemical Bonding
7. Ionic & Chemical equilibrium
8. Nuclear Chemistry

Chapters with high weightage for class 11 NEET:

1. Thermodynamics
2. Equilibrium
3. Chemical Bonding & Molecular structure
4. Organic Chemistry

For class 12:

1. Co ordination compounds
2. Solutions
3. P - block elements
4. D & f Block elements
5. Alcohols, phenols, ethers
6. Aldehydes, ketone and carboxylic acids.

Hey,

The NTA has announced the JEE Mains 2024 syllabus, which is available on its official website. The syllabus for JEE Main 2024 includes topics from 10+2 level Physics, Chemistry, and Mathematics. Some of the specific topics covered are Thermodynamics, Chemical Bonding, Current Electricity, Integral Calculus, Differential Calculus, and Electromagnetism.

To perform well in the exam, it's important to understand the weightage assigned to each topic in the JEE Main 2024 syllabus. This helps in assessing candidates' knowledge of fundamental concepts in Physics, Chemistry, and Mathematics. Therefore, it's crucial to be familiar with the syllabus and topic-wise weightage in advance to prepare effectively for the exam.

Weightage of Chemistry are : (Chapter Name, Number of Questions, Total Marks, Weightage) -- 1.Transition Elements and Coordination Chemistry , 3,12,6% ; 2.Periodic table and Representative Elements , 3, 12, 6% ; 3.Thermodynamics and Gaseous State , 2, 8, 4% ; 4.Atomic structure , 2, 8, 4% ; 5.Chemical bonding ,  2, 8, 4% ; 6.Chemical and Ionic Equilibrium, 2, 8, 4% ; 7.Solid State, 1, 4, 2% ; 7.Nuclear Chemistry and Environment , 1, 4, 2% ; 8.Mole Concept, 1, 4, 2% ; 9.Redox reaction , 1, 4, 2% ; 10.Electrochemistry, 1, 4, 2% ; 11.Chemical kinetics, 1, 4, 2% ; 12.Solution and Colligative Properties , 1, 4, 2% ; 13.General organic chemistry, 1, 4, 2% ; 14.Stereochemistry , 1, 4, 2% ; 15.Hydrocarbons , 1 4, 2% ; 16.Alkyl Halides, 1, 4, 2% ; 17.Carboxylic Acid and their Derivatives, 1, 4, 2% ; 18.Carbohydrates, amino acid, 1, 4, 2% ; 19.Aromatic Compounds , 1, 4, 2% .