Hello Shubha

The Chemistry chapter wise weightage for NEET 2019 is as follows:

Class 11:

• Basic Concepts of Chemistry - 1%
• Structure of atom - 2%
• Classification of elements and periodicity in properties- 2%
• Chemical Bonding and Molecular structure- 5%
• States of matter: gases and liquids - 2%
• Thermodynamics - 8%
• Equilibrium- 6%
• Redox reactions- 3%
• Hydrogen- 3%
• S. Block - 2%
• P-block - 2%
• Organic Chemistry: basic principles and techniques: 4%
• Hydrocarbons : 3%
• Environmental Chemistry: 2%

Class 12:

• Solid state- 2%
• Solutions - 5%
• Electrochemistry- 2%
• Chemical Kinetics- 3%
• Surface chemistry- 2%
• Isolation of elements- 2%
• P. Block elements- 5%
• d and f block - 4%
• Coordination Compounds- 9%
• Haloalkanes and Haloarenes - 3%
• Alcohols phenols and ethers- 4%
• Aldehyde ketones and Carboxylic acids- 4%
• Organic Compounds containing nitrogen- 2%
• Biomolecules- 3%
• Polymers- 3%
• Chemistry in everyday life - 2%

This is the approximate weightage based on previous year exams and experts analysis.

Hi ,

You should not skip any of the chapters in any subjects as also 1 MCQ can get you near selection . But thought you have query, I will give you the list of most important and list important from top to bottom:-

chemical bonding and molecular structures 

s-block

p- block

Alcohol and ether

chemical kinetics

Cordination compound

GOC

Basic concept of chemistry

Alkanes , Alkenes, Alkynes

Chemical Themosynamics

Biomolecules and Polymers

Solid states

periodicity

Redox reaction 

Ionic equilibrium 

Liquid and gaseous states

electrochemistry

Chemistry in every day life

Carbonyl compound

solution and colligative properties

haloarenes and phenol

Isomerism 

chemical equilibrium

d and f block

least important:

metallurgy

Atomic structure

nuclear and surface chemistry

Environmental chemistry

Haloalkanes

Above are the most important to least important chapters.

We can’t predict the number of questions asked from the above topic as it depends in paper setter. But ya we can take a small idea.

Hope I helped you. All the best

Thankyou

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