Solutions — NEET/JEE Questions, Notes & Weightage
Class 12 Physical Chemistry NEET weightage: High 1,200 questions
Covers concentration units, colligative properties (relative lowering of vapour pressure, elevation in boiling point, depression in freezing point, osmotic pressure), and the van't Hoff factor. Colligative-property numericals are a dependable, formula-driven source of marks every year.
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Mo M lar A mass 1005.1 253 ofsolute
57
Vapour Pressure of Liquid Solutions, Ideal and Non-ideal Solutions
43
Colligative Properties, Abnormality in Molar Mass
41
Binary Solution, Concentration Terms, Solubility
24
NaOH
18
Frequently asked questions
Which colligative property is asked most?
Depression in freezing point and osmotic pressure numericals are asked slightly more often than the other two colligative properties, especially combined with molar mass determination.
Why does the van't Hoff factor matter here?
It corrects colligative-property formulas for solutes that dissociate or associate in solution — questions often test whether you remember to apply it for electrolytes.