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The Total solution for NCERT class 6-12

NCERT Class 6

NCERT Class 6 Maths

Chapter 1- Knowing Our Numbers

Chapter 2 Whole Numbers

Chapter 3 Playing With Numbers

Chapter 4 Basic Geometrical Ideas

Chapter 5 Understanding Elementary Shape

Chapter 6 Integers

Chapter 7 Fractions

Chapter 8 Decimals

Chapter 9 Data Handling

Chapter 10 Mensuration

Chapter 11 Algebra

Chapter 12 Ratio and Proportion

Chapter 13 Symmetry

Chapter 14 Practical Geometry

NCERT Class 6 Science

NCERT Class 6 Social Science

NCERT Class 6 Social Science Geography

NCERT Class 6 Social Science History

NCERT Class 6 Social Science Civics

NCERT Class 6 English

NCERT Class 6 English Honeysuckle Prose

NCERT Class 6 English Honeysuckle Poem

NCERT Class 6 English Supplementary Reader A Pact with the Sun

NCERT Class 6 Hindi

NCERT Class 6 Hindi Vasant

NCERT Class 6 Hindi Bal Ramkatha बाल रामकथा

NCERT Class 7

NCERT Class 7 Maths

Chapter 1- Integers

Chapter 2 Fractions and Decimals

Chapter 3 Data Handling

Chapter 4 Simple Equations

Chapter 5 Lines and Angles

Chapter 6 The Triangles and its Properties

Chapter 7 Congruence of Triangles

Chapter 8 Comparing Quantities

Chapter 9 Rational Numbers

Chapter 10 Practical Geometry

Chapter 11 Perimeter and Area

Chapter 12 Algebraic Expressions

Chapter 13 Exponents and Powers

Chapter 14 Symmetry

Chapter 15 Visualising Solid Shapes

NCERT Class 7 Science

NCERT Class 7 Social Science

NCERT Class 7 Social Science Geography - Our Environment

NCERT Class 7 Social Science History - Our Pasts – II

NCERT Class 7 Social Science Civics - Social and Political Life – II

NCERT Class 7 English

NCERT Class 7 English – Honeycomb

NCERT Class 7 English – An Alien Hand

NCERT Class 7 Hindi

NCERT Class 7 Hindi- वसंत, भाग – 2

NCERT Class 7 Hindi Bal Mahabharat बाल महाभारत

NCERT Class 8

NCERT Class 8 Maths

Chapter 1 Rational Numbers

Chapter 2 Linear Equations in One Variable

Chapter 3 Understanding Quadrilaterals

Chapter 4 Practical Geometry

Chapter 5 Data Handling

Chapter 6 Squares and Square Roots

Chapter 7 Cubes and Cube Roots

Chapter- 8 Comparing Quantities

Chapter 9 Algebraic Expressions and Identities

Chapter 10 Visualising Solid Shapes

Chapter 11 Mensuration

Chapter 12 Exponents and Powers

Chapter 13 Direct and Indirect proportions

Chapter 14 Factorisation

Chapter 15 Introduction to Graphs

Chapter 16 Playing with Numbers

NCERT Class 8 Science

NCERT Class 8 Social Science

NCERT Class 8 Social Science History- Our Pasts – III

NCERT Class 8 Social Science Geography- Resources and Development

NCERT Class 8 Social Science Civics- Social and Political Life – II

NCERT Class 8 English

NCERT Class 8 English – Honeydew

NCERT Class 8 English – It So Happened

NCERT Class 8 Hindi

NCERT Class 8 Hindi Vasant

NCERT Class 8 Hindi Bharat ki Khoj भारत की खोज

NCERT Class 9

NCERT Class 9 Science

NCERT Class 9 Maths

Chapter 1 Number systems

Chapter 2 Polynomials

Chapter 3 Coordinate Geometry

Chapter 4 Linear Equations in Two Variables

Chapter 5 Introduction to Euclid Geometry

Chapter 6 Lines and Angles

Chapter 7 Triangles

Chapter 8 Quadrilaterals

Chapter 9 Areas of Parallelograms and Triangles

Chapter 10 Circles

Chapter 11 Constructions

Chapter 12 Heron’s Formula

Chapter 13 Surface Areas and Volumes

Chapter 14 Statistics

Chapter 15 Probability

Chapter 15 Probability Ex-15.1

NCERT Class 9 Social Science

NCERT Class 9 Social Science - Contemporary India I

NCERT Class 9 Social Science – Democratic Politics I

NCERT Class 9 Social Science – Economics

NCERT Class 9 Social Science – India and the Contemporary World I

NCERT Class 9 English

NCERT Class 9 English - Beehive

NCERT Class 9 English - Moments

NCERT Class 9 Hindi

NCERT Class 9 Hindi Kshitij Bhag 1 क्षितिज भाग 1

NCERT Class 9 Hindi Kritika Bhag 1 कृतिका भाग 1

NCERT Class 9 Hindi Sparsh Bhag 1 स्पर्श भाग 1

NCERT Class 9 Hindi Sanchayan Bhag 1 संचयन भाग 1

NCERT Class 9 Maths RD Sharma Solutions

RD Chapter 1- Number Systems

RD Chapter 2- Exponents of Real Numbers

RD Chapter 3- Rationalisation

RD Chapter 4- Algebraic Identities

RD Chapter 5- Factorisation of Algebraic Expressions

RD Chapter 6- Factorisation of Polynomials

RD Chapter 7- Introduction to Euclid-s Geometry

RD Chapter 8- Lines and Angles

Rd Chapter 9- Triangle and its Angles

RD Chapter 10- Congruent Triangles

RD Chapter 11- Co-ordinate Geometry

RD Chapter 12- Heron-s Formula

RD Chapter 13- Linear Equations in Two Variables

RD Chapter 14- Quadrilaterals

RD Chapter 15- Areas of Parallelograms and Triangles

RD Chapter 16- Circles

RD Chapter 17- Constructions

RD Chapter 18- Surface Areas and Volume of a Cuboid and Cube

RD Chapter 19- Surface Areas and Volume of a Circular Cylinder

Chapter 20- Surface Areas and Volume of A Right Circular Cone

RD Chapter 21- Surface Areas and Volume of a Sphere

RD Chapter 22- Tabular Representation of Statistical Data

RD Chapter 23- Graphical Representation of Statistical Data

RD Chapter 24- Measures of Central Tendency

RD Chapter 25- Probability

NCERT Class 10

NCERT Class 10 - Science

NCERT Class 10 - English - First Flight

NCERT Class 10 - English - Footprints

NCERT Class 10 - SST -Democratic Politics II

NCERT Class 10 - SST - Contemporary India II

NCERT Class 10 - SST - Economic

NCERT Class 10 - SST - India and Contemporary II

NCERT Class 10 - Maths

Chapter 1- Real Numbers

Chapter 2- Polynomials

Chapter 3- Pair of Linear Equations in Two Variabl

Chapter 4- Quadratic Equations

Chapter 5- Arithmetic Progressions

Chapter 6- Triangles

Chapter 7- Coordinate Geometry

Chapter 8- Introduction to Trigonometry

Chapter 9- Some Applications of Trigonometry

Applications of Trigonometry Ex-9.1

Chapter 10- Circles

Chapter 11- Constructions

Chapter 12- Areas Related to Circles

Chapter 13- Surface Areas and Volumes

Chapter 14- Statistics

Chapter 15- Probability

NCERT Class 10 - Hindi Kshitij क्षितिज भाग 2

NCERT Class 10 - Hindi Sparsh Bhag 2 स्पर्श भाग 2

NCERT Class 10 Maths RD Sharma Solutions

RD Chapter 1- Real Numbers

RD Chapter 2- Polynomials

RD Chapter 3- Pair of Linear Equations in Two Variables

RD Chapter 4- Triangles

RD Chapter 5- Trigonometric Ratios

RD Chapter 6- Trigonometric Identities

RD Chapter 7- Statistics

RD Chapter 8- Quadratic Equations

Rd Chapter 9- Arithmetic Progressions

RD Chapter 10- Circles

RD Chapter 11- Constructions

RD Chapter 12- Some Applications of Trigonometry

RD Chapter 12- Some Applications of Trigonometry Ex-12.1

RD Chapter 13- Probability

RD Chapter 14- Co-ordinate Geometry

RD Chapter 15- Areas Related to Circles

RD Chapter 16- Surface Areas and Volumes

NCERT Class 10 - Hindi Kritika कृतिका भाग 2

NCERT Class 10 - Hindi Sanchayan Bhag संचयन भाग 2

NCERT Class 10 - Foundation of IT

NCERT Class 11

NCERT Class 11 Maths

Chapter 1- Sets

Chapter 2- Relations and Functions

Chapter 3- Trigonometric Functions

Chapter 4- Principle of Mathematical Induction

Chapter 4 Principle of Mathematical Induction Ex-4.1

Chapter 5- Complex Numbers and Quadratic Equations

Chapter 6- Linear Inequalities

Chapter 7- Permutation and Combinations

Chapter 8- Binomial Theorem

Chapter 9- Sequences and Series

Chapter 10- Straight Lines

Chapter 11- Conic Sections

Chapter 12- Introduction to Three Dimensional Geometry

Chapter 13- Limits and Derivatives

Chapter 14- Mathematical Reasoning

Chapter 15- Statistics

Chapter 16- Probability

NCERT Class 11 Physics

NCERT Class 11 Chemistry

NCERT Class 11 Biology

NCERT Class 11 English

NCERT Class 11 English Hornbill Prose

NCERT Class 11 English Hornbill Poem

NCERT Class 11 English Snapshots

NCERT Class 11 Hindi

NCERT Class 11 Hindi Aroh (आरोह भाग 1)

NCERT Class 11 Hindi Vitan वितान भाग 1

NCERT Class 11 History

NCERT Class 11 Geography

NCERT Class 11 Economics

NCERT Class 11 Economics – Indian Economic Development

NCERT Class 11 Economics – Statistics for Economics

NCERT Class 11 Political Science

NCERT Class 11 Political Science Indian Constitution at Work

NCERT Class 11 Political Science Political Theory

NCERT Class 11 Computer Science (Python)

NCERT Class 11 Maths RD Sharma Solutions

RD Chapter 1- Sets

RD Chapter 2- Relations

RD Chapter 3- Functions

RD Chapter 6- Graphs of Trigonometric Functions

RD Chapter 7- Trigonometric Ratios of Compound Angles

RD Chapter 8- Transformation Formulae

RD Chapter 9- Trigonometric Ratios of Multiple and Submultiple Angles

RD Chapter 10- Sine and Cosine Formulae and Their Applications

RD Chapter 13- Complex Numbers

RD Chapter 14- Quadratic Equations

RD Chapter 15- Linear Inequations

RD Chapter 16- Permutations

RD Chapter 17- Combinations

RD Chapter 18- Binomial Theorem

RD Chapter 19- Arithmetic Progressions

RD Chapter 20- Geometric Progressions

RD Chapter 21- Some Special Series

RD Chapter 22- Brief Review of Cartesian System of Rectangular Coordinates

RD Chapter 23- The Straight Lines

RD Chapter 24- The Circle

RD Chapter 29- Limits

RD Chapter 30- Derivatives

RD Chapter 31- Mathematical Reasoning

RD Chapter 32- Statistics

RD Chapter 33- Probability

NCERT Class 11 Sociology

NCERT Class 11 Psychology

NCERT Class 11 Business Studies

NCERT Class 11 Accountancy

NCERT Class 11 Accountancy- I

NCERT Class 11 Accountancy- II

NCERT Class 12

NCERT Class 12 Physics

NCERT Class 12 Chemistry

NCERT Class 12 Biology

NCERT Class 12 Maths

Chapter 1- Relations and Functions

Chapter 2- Inverse Trigonometric Functions

Chapter 3- Matrices

Chapter 4- Determinants

Chapter 5- Continuity and Differentiability

Chapter 6- Application of Derivatives

Chapter 7- Integrals

Chapter 8- Application of Integrals

Chapter 9- Differential Equations

Chapter 10- Vector Algebra

Chapter 11- Three Dimensional Geometry

Chapter 12- Linear Programming

Chapter 13- Probability

NCERT Class 12 English

NCERT Class 12 English Flamingo Prose-Poetry

NCERT Class 12 English Vistas

NCERT Class 12 Hindi

NCERT Class 12 Hindi Aroh आरोह भाग 2

NCERT Class 12 Hindi Vitan वितान भाग 2

NCERT Class 12 History

NCERT Class 12 Geography

NCERT Class 12 Geography- Fundamentals of Human Geography

NCERT Class 12 Geography- India People and Economy

NCERT Class 12 Economics

NCERT Class 12 Micro Economics

NCERT Class 12 Macro Economics

NCERT Class 12 Political Science

NCERT Class 12 Political Science- Contemporary World Politics

NCERT Class 12 Political Science- Politics In India Since Independence

NCERT Class 12 Business Studies

NCERT Class 12 Computer Science C plus plus

NCERT Class 12 Maths RD Sharma Solutions

RD Chapter 1- Relations

RD Chapter 2- Functions

RD Chapter 3- Binary Operations

RD Chapter 4- Inverse Trigonometric Functions

RD Chapter 5- Algebra of Matrices

RD Chapter 6- Determinants

RD Chapter 7- Adjoint and Inverse of a Matrix

RD Chapter 8- Solution of Simultaneous Linear Equations

RD Chapter 9- Continuity

RD Chapter 10- Differentiability

RD Chapter 11- Differentiation

RD Chapter 14- Differentials-Errors and Approximations

RD Chapter 14- Differentials-Errors and Approximations Ex-14.1

RD Chapter 15- Mean Value Theorems

RD Chapter 16- Tangents and Normals

RD Chapter 17- Increasing and Decreasing Functions

RD Chapter 18- Maxima and Minima

RD Chapter 19- Indefinite Integrals

RD Chapter 20- Definite Integrals

RD Chapter 21- Areas of Bounded Regions

RD Chapter 22- Differential Equations

RD Chapter 23- Algebra of Vectors

RD Chapter 24- Scalar Or Dot Product

RD Chapter 25- Vector or Cross Product

RD Chapter 25- Vector or Cross Product Ex-25.1

RD Chapter 26- Scalar Triple Product

RD Chapter 26- Scalar Triple Product Ex-26.1

RD Chapter 27- Direction Cosines and Direction Ratios

RD Chapter 27- Direction Cosines and Direction Ratios Ex-27.1

RD Chapter 28- Straight line in space

RD Chapter 29- The plane

RD Chapter 30- Linear programming

RD Chapter 31- Probability

RD Chapter 32- Mean and variance of a random variable

RD Chapter 33- Binomial Distribution

NCERT Class 12 Sociology

NCERT Class 12 Sociology - Indian Society

NCERT Class 12 Sociology - Social Change and Development in India

NCERT Class 12 Psychology

NCERT Class 12 Accountancy

NCERT Class 12 Accountancy Part 1 Partnership Accounts

NCERT Class 12 Accountancy Part 2 Company Accounts and Analysis of Financial Statements

NCERT Hindi Medium - Class 6

NCERT Hindi Medium - Class 6 विज्ञान (Science)

NCERT Hindi Medium - Class 6 गणित (Maths)

Chapter 1- प्राकृतिक संख्याएँ

Chapter 2- पूर्ण संख्याएँ

Chapter 3- पूर्णांक

Chapter 4- सांख्यिकी

Chapter 5- बीजगणितीय अवधारणा

Chapter 6- बीजीय व्यंजक

Chapter 7- ज्यामितीय अवधारणाएँ

Chapter 8- कोण

Chapter 9- लम्ब और समान्तर रेखाएँ

Chapter 10- लघुत्तम समापवर्त्य एवं महत्तम समापवर्तक

Chapter 11- समीकरण (एक चर में)

Chapter 12- वाणिज्य गणित

Chapter 13- त्रिभुज

Chapter 14- वृत्त

NCERT Hindi Medium - Class 6 भूगोल (Geography)

NCERT Hindi Medium - Class 7

NCERT Hindi Medium - Class 7 विज्ञान (Science)

NCERT Hindi Medium - Class 7 सामाजिक विज्ञान - इतिहास

NCERT Hindi Medium - Class 7 सामाजिक विज्ञान - भूगोल

NCERT Hindi Medium - Class 7 सामाजिक विज्ञान - नागरिक शास्त्र

Chapter 1 परिमेय संख्याएँ

Chapter 2 घातांक

Chapter 3 साँख्यिकी

Chapter 4 रचनाएँ

Chapter 5 त्रिभुज

Chapter 6 रेखीय समीकरण

Chapter 7 वाणिज्य गणित

Chapter 8 व्यंजकों का गुणनफल एवं सर्वसमिकाएँ

Chapter 9 व्यंजकों का गुणनखण्ड

Chapter 10 चतुर्भुज

Chapter 11 वृत्त

Chapter 12 क्षेत्रमिति ( मेंसुरेशन)

Chapter 13 मानसिक अभ्यास

NCERT Hindi Medium - Class 8

NCERT Hindi Medium - Class 8 विज्ञान (Science)

NCERT Hindi Medium - Class 8 सामाजिक विज्ञान - इतिहास

NCERT Hindi Medium - Class 8 सामाजिक विज्ञान - भूगोल

NCERT Hindi Medium - Class 8 सामाजिक विज्ञान - नागरिक शास्त्र

Chapter 1 परिमेय संख्याओं पर संक्रियाएँ

Chapter 2 वर्गमूल

Chapter 3 घनमूल

Chapter 4 सर्व समिकाएँ

Chapter 5 बीजीय व्यंजकों का भाग एवं गुणनखंड

Chapter 6 संख्याओं से खेल

Chapter 6 संख्याओं से खेल Ex 6-a

Chapter 7 युगपत समीकरण

Chapter 8 वर्ग समीकरण

Chapter 9 समान्तर रेखाएँ

Chapter 10 चतुर्भुज की रचनाएँ

Chapter 11 वाणिज्य गणित

Chapter 12 बैंकिंग

Chapter 12 बैंकिंग Ex 12-a

Chapter 13 वृत्त और चक्रीय चतुर्भज

Chapter 14 वृत्त की स्पर्श रेखाएँ

Chapter 15 सॉख्यिकी

Chapter 16 संभावना (प्रायिकता)

Chapter 17 कार्तीय तल

Chapter 18 क्षेत्रमिति (मेंसुरेशन)

NCERT Hindi Medium - Class 9

NCERT Hindi Medium - Class 9 विज्ञान (Science)

NCERT Hindi Medium - Class 9 सामाजिक विज्ञान

NCERT Hindi Medium - Class 9 सामाजिक विज्ञान- इतिहास

NCERT Hindi Medium - Class 9 सामाजिक विज्ञान- भूगोल

NCERT Hindi Medium - Class 9 सामाजिक विज्ञान- नागरिकशास्त्र

NCERT Hindi Medium - Class 9 सामाजिक विज्ञान- अर्थशास्त्र

NCERT Hindi Medium - Class 9 गणित (Maths)

Chapter 1- संख्या पद्धति (Number Systems)

Chapter 2- बहुपद (Poly)

Chapter 3- निर्देशांक ज्यामिति (Coordinate Geometry)

Chapter 4- दो चरों में रैखिक समीकरण (Linear Equations in Two Variables)

Chapter 5- युक्लिड के ज्यामिति का परिचय (Introduction to Euclid’s Geometry)

Chapter 6- रेखाएँ और कोण (Lines and Angles)

Chapter 7- त्रिभुज (Triangles)

Chapter 8- चतुर्भुज (Quadrilaterals)

Chapter 9- समान्तर चतुर्भुज और त्रिभुजों के क्षेत्रफल

Chapter 10- वृत्त (Circles -)

Chapter 11- रचनाएँ (Constructions-)

Chapter 12- हीरोन सूत्र (Heron’s Formula)

Chapter 13- पृष्ठीय क्षेत्रफल एवं आयतन (Surface Areas-Volumes)

Chapter 14- सांख्यिकी (Statistics -)

Chapter 15- प्रायिकता (Probability -)

NCERT Hindi Medium - Class 10

NCERT Hindi Medium - Class 10- विज्ञान (Science)

NCERT Hindi Medium - Class 10- गणित (Maths)

Chapter 1- वास्तविक संख्याएँ (Real Numbers)

Chapter 2- बहुपद -(Polynomials)

Chapter 3- दो चरों वाले रखिक समीकरणों का युग्म

Chapter 4- द्विघात समीकरण (Quadratic Equations)

Chapter 5- समान्तर श्रेढ़ी (Arithmetic Progressions)

Chapter 6- त्रिभुज (Triangles)

Chapter 7- निर्देशांक ज्यामिति (Coordinate Geometry)

Chapter 8- त्रिकोणमिति का परिचय (Introduction to Trigonometry)

Chapter 9- त्रिकोणमिति का अनुप्रयोग (Some Applications of Trigonometry)

Chapter 9- त्रिकोणमिति का अनुप्रयोग (Some Applications of Trigonometry) Ex-9.1

Chapter 10- वृत्त (Circles)

Chapter 11- रचनाएँ (Constructions)

Chapter 12- वृतों से सम्बंधित क्षेत्रफल (Areas Related to Circles)

Chapter 13- पृष्ठीय क्षेत्रफल एवं आयतन (Surface Areas and Volumes)

Chapter 14- सांख्यिकी (Statistics)

Chapter 15- प्रायिकता (Probability)

NCERT Hindi Medium - Class 10- English

NCERT Hindi Medium - Class 10- English - Footprints

NCERT Hindi Medium - Class 10- English - First Flight

NCERT Hindi Medium - Class 10- English- SUPPLEMENTARY READER

NCERT Hindi Medium - Class 10 सामाजिक विज्ञान

NCERT Hindi Medium - Class 10 सामाजिक विज्ञान - इतिहास (भारत और समकालीन विश्व - II)

NCERT Hindi Medium - Class 10 सामाजिक विज्ञान - राजनीति विज्ञान (लोकतांत्रिक राजनीति)

NCERT Hindi Medium - Class 10 सामाजिक विज्ञान - अर्थशास्त्र (आर्थिक विकास को समझना)

NCERT Hindi Medium - Class 10 हिन्दी ( Hindi)

NCERT Hindi Medium - Class 11

NCERT Hindi Medium - Class 11 भौतिक विज्ञान (Physics)

NCERT Hindi Medium - Class 11 रसायन विज्ञान (Chemistry)

NCERT Hindi Medium - Class 11 जीव विज्ञान (Biology)

NCERT Hindi Medium - Class 11 गणित (Maths)

Chapter 1- समुच्चय (Sets)

Chapter 2- संबंध एवं फलन (Relations and Functions)

Chapter 3- त्रिकोणमितीय फलन (Trigonometric Functions)

Chapter 4- गणितीय आगमन का सिद्धान्त (Principle of Mathematical Induction)

Chapter 4- गणितीय आगमन का सिद्धान्त (Principle of Mathematical Induction) Ex-4.1

Chapter 5- सम्मिश्र संख्याएँ और द्विघातीय समीकरण

Chapter 6- रैखिक असमिकाएँ (Linear Inequalities)

Chapter 7- क्रमचय और संचयं (Permutations and Combinations)

Chapter 8- द्विपद प्रमेय (Binomial Theorem)

Chapter 9- अनुक्रम तथा श्रेणी (Sequences and Series)

Chapter 10- सरल रेखाएँ (Straight Lines)

Chapter 11- शंकु परिच्छेद (Conic Sections)

Chapter 12- त्रिविमीय ज्यामिति का परिचय (Introduction to three Dimensional Geometry)

Chapter 13- सीमा और अवकलज (Limits and Derivatives)

Chapter 14- गणितीय विवेचन (Mathematical Reasoning)

Chapter 15- सांख्यिकी (Statistics)

Chapter 16- प्रायिकता (Probability)

NCERT Hindi Medium - Class 11 इतिहास (History)

NCERT Hindi Medium - Class 11 भूगोल (Geography)

NCERT Hindi Medium - Class 11 नागरिकशास्त्र (Civics- Political Science)

NCERT Hindi Medium - Class 11 अर्थशास्त्र (Economics)

NCERT Hindi Medium - Class 11 अर्थशास्त्र (Economics)-खण्ड-1 अर्थशास्त्र में सांख्यिकी

NCERT Hindi Medium - Class 11 अर्थशास्त्र (Economics)-खण्ड -2 भारतीय अर्थव्यवस्था का विकास

NCERT Hindi Medium - Class 12

NCERT Hindi Medium - Class 12 भौतिक विज्ञान (Physics)

NCERT Hindi Medium - Class 12 रसायन विज्ञान (Chemistry)

NCERT Hindi Medium - Class 12 जीव विज्ञान (Biology)

NCERT Hindi Medium - Class 12 गणित (Maths)

Chapter 1- सम्बन्ध एवं फलन (Relations and Functions)

Chapter 2- प्रतिलोम त्रिकोणमितीय फलन (Inverse Trigonometric Functions)

Chapter 3- आव्यूह (Matrices)

Chapter 4- सारणिक (Determinants)

Chapter 5- सांतत्य तथा अवकलनीयता (Continuity and Differentiability)

Chapter 6- अवकलज के अनुप्रयोग (Application of Derivatives)

Chapter 7- समाकलन (Integrals)

Chapter 8- समाकलनों के अनुप्रयोग (Application of Integrals)

Chapter 9- अवकल समीकरण (Differential Equations)

Chapter 10- सदिश बीजगणित (Vector Algebra)

Chapter 11- त्रिविमीय ज्यामिति (Three Dimensional Geometry)

Chapter 12- रैखिक प्रोग्रामन (Linear Programming)

Chapter 13- प्रायिकता (Probability)

NCERT Hindi Medium - Class 12 Geography भूगोल खण्ड 1-मानव भूगोल के मूल सिद्धांत

NCERT Hindi Medium - Class 12 Geography भूगोल खण्ड 2-भारत – लोग और अर्थव्यवस्था

Question -

Whatis the coordination entity formed when excess of aqueous KCN is added to anaqueous solution of copper sulphate?

Answer -

Why is it that no precipitate of copper sulphide is obtained when H_2S(g) is passed through this solution?

Answer

i.e.,

Thus, the coordination entity formed in the process is K₂[Cu(CN)₄].

is a very stable complex, which does not ionize to give Cu²⁺ ions when added to water. Hence, Cu²⁺ ions are not precipitated when H₂S₍g₎is passed through the solution.

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