sir I want some new pattern jee main 2020 typed bit in chemistry

Hello Aspirant,

JEE mains Chemistry Syllabus :

Physical Chemistry

Some basic concepts in chemistry
States of matter
Atomic structure
Chemical bonding and molecular structure
Chemical thermodynamics
Solutions
Equilibrium
Redox reactions and electrochemistry
Chemical kinetics
Surface chemistry

Organic Chemistry
Purification and characterisation of organic compounds
Hydrocarbons
Chemistry in everyday life
Principles related to practical chemistry
Organic compounds containing halogens
Organic compounds containing oxygen
Organic compounds containing nitrogen
Polymers
Some basic principles of organic chemistry
Biomolecules

Inorganic Chemistry
Classification of elements and periodicity in properties
Hydrogen
Block elements (alkali and alkaline earth metals)
P Block elements group 13 to group 18 elements
d- and f - block elements
Co-ordination compounds
Environmental chemistry
General principles and processes of isolation of metals

I hope this helps.