Solutions

Kerala Board · Class 12 · Chemistry

Quick revision notes for Solutions — Kerala Board Class 12 Chemistry. Key concepts, formulas, and definitions for last-minute revision.

78 questions25 flashcards5 concepts

Key Topics to Revise

Components and Types of Solutions

Solution = homogeneous mixture of solute + solvent
Solvent: component in same physical state as solution (usually in larger quantity)
Solute: substance dissolved in solvent (usually in smaller quantity)

Concentration Units

Multiple ways to express concentration: molarity, molality, normality, mole fraction, mass percentage
Molarity depends on temperature (volume changes)
Molality is temperature independent (mass doesn't change)

Henry's Law and Gas Solubility

Henry's Law: solubility of gas ∝ partial pressure
Applies only under specific conditions
Gas solubility decreases with temperature increase

Raoult's Law and Vapor Pressure

Partial vapor pressure ∝ mole fraction
Applies to ideal solutions
Total vapor pressure = sum of partial pressures

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Full Notes

Key Concepts

A solution consists of solute (substanceFive main ways to express concentrationThe mole fraction of a gasFor volatile liquid mixturesIdeal solutions obey Raoult's law completely

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Frequently Asked Questions

What are the important topics in Solutions for Kerala Board Class 12 Chemistry?

Solutions covers several key topics that are frequently asked in Kerala Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.

How to score full marks in Solutions — Kerala Board Class 12 Chemistry?

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Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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