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JEE chemistry, for the parts you cannot picture
Most JEE chemistry loss is not recall, it is spatial and mechanistic: which way the electrons go, what shape the molecule takes, how a rate curve bends when you change one thing. These simulations exist for those questions. They are a visual aid alongside your coaching material, not a replacement for it.
Open the digital labTopic by topic
Pick the topic you keep losing marks on and run it until the pattern is obvious. Every lab is free and opens in a browser tab.
The labs in full
17 experiments matter for this syllabus. Each opens on its own page and is free to use.
Concentration and rate
Rate of reaction
Electrolysis of water
Molten lead bromide
Chlor-alkali process
Periodic table explorer
3D molecular lab
Build an atom
Rutherford gold foil experiment
Cathode ray experiment
Cation and anion tests
Tests for gases
Fractional distillation
States of matter
Metals with water and steam
Thermite reaction
Double displacement
Common questions
Is this a JEE course?
No. It is a set of free visual tools for specific topics. There is no question bank, no test series and no syllabus coverage claim here. Use it when a topic will not sit still in your head, and keep your regular material for practice and mocks.
Which topics does it actually help with?
The ones where a diagram in a book is not enough: kinetics curves, electrode reactions, periodic trends and molecular geometry. Organic mechanisms are only partly covered - the 3D molecular lab helps with shape, hybridisation and polarity, but not with reaction mechanisms.
Does the 3D molecular lab handle any molecule?
It builds molecules you draw, and it can pull real structures from PubChem, so most molecules you meet in JEE are available. It reports bond angles, hybridisation, VSEPR shape, dipole moment and molar mass.
Is it free?
Yes, all of it, with no account.
Studying something else?
The same labs, grouped for a different syllabus.