dynamic equilibrium

 Here is a CBSE Class 12–friendly, exam-oriented explanation of the given paragraph, rewritten in simple and effective language for use in class presentations, notes, or textbooks.

🔁 Dynamic Equilibrium in Solubility (Solid in Liquid)

🧪 What Happens When a Solid is Added to a Solvent?

  1. Dissolution:

    • Some solute particles dissolve in the solvent.

    • This increases the concentration of solute in the solution.

  2. Crystallisation:

    • Some dissolved particles collide back with the solid and get separated out of the solution.

⚖️ Dynamic Equilibrium:

After some time, a balance is reached:

Rate of dissolution = Rate of crystallisation

📌 At this point:

  • The solution is called a saturated solution.

  • The concentration of solute remains constant at that temperature and pressure.

  • The system is said to be in a state of dynamic equilibrium.

🔁 Representation:

Solute (solid) + Solvent (liquid)⇌Solution\text{Solute (solid) + Solvent (liquid)} \rightleftharpoons \text{Solution}

📌 Key Definitions for Exam:

  • Dissolution: The process in which solute particles enter the solution.

  • Crystallisation: The process in which dissolved solute particles return to the solid phase.

  • Saturated Solution: A solution in which no more solute can be dissolved at a given temperature and pressure.

  • Dynamic Equilibrium: The condition where the rate of dissolution and crystallisation are equal, and the concentration remains constant.

Would you like a flow diagram or a conceptual image of this process to use in your presentation?

Comments

Post a Comment

Popular posts from this blog

Class x maths Exercise :- 4.1 to 4.3

CLASS X  SUBJECT  :- MATH  CHAPTER :- Quadratic Equations Exercise 4.1 1. Check whether the following are quadratic equations :      जाँच कीजिए कि क्या निम्न द्विघात समीकरण हैं : (i) (x + 1)² = 2(x – 3)         (ii) x²– 2x = (–2) (3 – x) (iii) (x – 2)(x + 1) = (x – 1)(x + 3)         (iv) (x – 3)(2x +1) = x(x + 5) (v) (2x – 1)(x – 3) = (x + 5)(x – 1)                (vi) x² + 3x + 1 = (x – 2)² (vii) (x + 2)³= 2x (x² – 1)                 (viii) x³– 4x² – x + 1 = (x – 2)³ 2. Represent the following situations in the form of quadratic equations :         निम्न स्थितियों को द्विघात समीकरणों के रूप में निरूपित कीजिए : (i) The area of a rectangular plot is 528 m2. The length of the plot (in metres) is one more than twice its breadth. We need to find the length and breadth of the plot. एक आयताकार भूखंड का क्षेत्रफ...
Read more

chemistry paper 2024

Image
YouTube Tags: #CBSE2025 #ChemistryExam #CBSEClass12 #ChemistrySolutions #ExamPreparation #BoardExam2025 #ChemistryPaperSolution #Class12Chemistry #DaskLibro #StudyWithMayank #CBSEBoardExam #ChemistryTips #ExamStrategy #NCERTChemistry #BoardExamTips SENIOR SECONDARY EXAMINATION,2024                 उच्च माध्यमिक परीक्षा,2024                           रसायन विज्ञान                           CHEMISTRY                                         समय : 3 घण्टे 15 मिनट पूर्णांक : 56 SECTION - A Multiple Choice Questions: 1) निम्नलिखित प्रश्नों में दिए गए सही विकल्प का चयन कर उत्तर पुस्तिका में लिखिए : [8] Write the answer of following multiple choice questions in the given answer book: i) चालकता का SI मात्रक है – (A) S (...
Read more

class 10 science chapter 1 NCERT Solutions

  Here is a  comprehensive, exam-oriented answer key  for the  NCERT Class 10 Science – Chapter 1: Chemical Reactions and Equations – Exercise Questions 1 to 20 , explained clearly and concisely for both  teaching and revision : 1. Identify incorrect statements: Reaction: 2 PbO ( s ) + C ( s ) → 2 Pb ( s ) + CO 2 ( g ) 2\text{PbO}(s) + \text{C}(s) \rightarrow 2\text{Pb}(s) + \text{CO}_2(g) ✅  Correct analysis: Lead oxide (PbO)  is  reduced  to lead. Carbon (C)  is  oxidised  to CO₂. CO₂ is  not getting oxidised , it is a product. ✅  Incorrect statements:  (a) and (b) Answer:   (i) (a) and (b) 2. Type of reaction: Fe 2 O 3 + 2 Al → Al 2 O 3 + 2 Fe \text{Fe}_2\text{O}_3 + 2\text{Al} \rightarrow \text{Al}_2\text{O}_3 + 2\text{Fe} ✅  Explanation:  Aluminium  displaces iron  from its oxide →  Displacement reaction Answer:   (d) displacement reaction 3. Reaction of HCl with iron filin...
Read more