SolutionsHandwritten Notes
Solutions is a high-yield Class 12 chapter — colligative properties, Raoult's law deviations, and van't Hoff factor problems all show up in JEE and NEET. These handwritten notes by Paaras Sir cover every formula and the limiting cases (associating/dissociating solutes) you need.
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Frequently Asked Questions
Are colligative-property problems covered for both ideal and real solutions?+
Yes. Each colligative property is derived for ideal solutions, then corrected with the van't Hoff factor (i) for associating/dissociating solutes — with worked examples for NaCl, K2SO4, and acetic-acid dimers.
Is Henry's law applied to gas solubility?+
Yes. Henry's law is derived in both pressure and mole-fraction forms, with applications to deep-sea diving, blood gases, and fizzy drinks (the standard NEET context).
Do the notes cover positive and negative deviations from Raoult's law?+
Yes — both deviations are explained via intermolecular forces, with vapour-pressure curves drawn for each case and the corresponding sign of ΔH_mix and ΔV_mix.
These handwritten notes are written by Paaras Sir at Canvas Classes and follow the NCERT Class 12 Chemistry syllabus prescribed by CBSE for the 2025-26 session. Free to read online or download as PDF — no login required.