S block elements: In "S block elements", oxidation state of K in KO2, para magnetic nature of KO2, problems 9.4, 9.5, abnormal density in alkali metals, addition of gypsum to cement, non availability of alkali metals in free state, amphoteric nature of Be(OH)2, Anomalous behaviour of Be & diagonal relation with Al, burning of Mg in air, importance & setting of plaster of paris, dead burnt plaster, are important for 2 marks.
Preparation of washing soda by Solvay's process, NaOH by Castner - Kellner process, short note on cement,
Biological importance of Na, K, Mg & Ca are very important for 4 marks.
Group 13 Elements
In this lesson, inert pair effect, non formation of BF6 −3 by B, Borax (preparation, properties, structure), Borazine (structure, common name, hybridization), structure of boric acid and AlCl3, electron deficient compounds,
Formulae of Borax & Colemanite are important for 2 marks.
Preparation, properties, structure of Diborane, Borax bead test with suitable examples, Q.No: 26 are important for 4 marks.
Group-14 Elements
In ''group-14 elements'' lesson, classification of oxides, allotropy, catenation, problems 11.2, 11.3, 11.4, Q.No.: 4, 5, 6, 10, 11, 13, 14, 17, 22, 23, 26, 34 (d), 42 are important 2 marks questions. Structure and properties of diamond and graphite, short note on silicate, zeolites, fullerenes are very important for 4 marks.
Organic Chemistry Some Basic Principles & Techniques
Probable weightage (highest in 1st year chemistry) of "Organic Chemistry- some basic principles and techniques" lesson is 10 marks. Those who learn 1st year Organic chemistry well can do the best in 2nd year Organic chemistry.
Learn IUPAC nomenclature of organic compounds and remember trivial names of some of the compounds.
Qualitative & Quantitative analysis, all types of isomerism, types of electron displacements, o, p, m directing groups, conformers of C2H6, preparation & chemical properties of Alkanes, Alkens, Alkynes and Benzene
are very important areas.
For 2 marks: Learn 13.1, 13.2, 13.4, 13.5, 13.6, 13.7, 13.8, 13.10, 13.12, 13.19, 13.20 to 25, 13.30, 13.34, 13.36, 13.38, IUPAC nomenclature, VSAQ. No.: 1 to 8, 27.
For 4 marks: Learn Q.No: 11, 12, 13, 14, 15, 16, 17, 32, 37, 39, 42, 43, 49, 57, 59.
For 8 marks: Learn 3 preparations & all 5 properties of C6H6, 2 preparations & all 5 properties of alkynes, 4 prep. & all 8 prop. of alkenes (including Markovnikov addition, Kharash effect).
Learning mechanisms, reason & application type of questions not only help in scoring IPE, but also JEE (Main) like exams. Wish you 100% success.
Environmental Chemistry
In "Environmental Chemistry" lesson, two 2 marks questions are appearing in every year exams. Mention the 2 names of green chemists who won the Nobel prize in 2005, Explain the terms TLV, BOD (and values of clean and polluted water), COD, Sink, Pollutant, Contaminant, Green house effect, (def., gases, causes, harmful effects), ozone depletion (def., causes, ill effects, where was it first observed), Acid rains (def., causes, pH, gases causing acid rains, harmful effects).
IPE Junior Inter Chemistry Important Questions - Acids, Bases and Hydrozen
Thermodynamics: Most of the times two 2 marks or one 4 marks questions are asked from "Thermodynamics". Learn all
the basics of the lesson as they are inter related with chemical equilibrium and electro chemistry.
Hess's law of constant heat summation, Born-Haber Cycle are important for 4 marks.
Enthalpy, Entropy, Gibbs energy, 1st, 2nd, 3rd laws of thermodynamics, relationship between CP and CV, extensive & intensive properties, heat capacity, problems on ΔH = Δ U + Δn R T, heat of formation, heat of combustion,
heat of ionisation, ΔG, ΔS, effect of temperature on spontaneity of reactions are important for 2 marks.
Chemical Equilibrium, Acids - Bases
Even in March 2013 exam one 2 marks and one 4 marks question is asked, there is a possibility of one 8 marks question from "Chemical Equilibrium and Acids-Bases". Learn Lechatlier's principle, and Synthesis of SO3 &
NH3 for 8 Marks.
Lewis, Bronsted theories of Acids & Bases, Conjugate Acid-base pairs, pH definition, problems, buffer solutions (Def., types, examples, Henderson equation related problems, buffer action), buffer capacity salt hydrolysis def. & nature of 3 types of salt solutions, solubility product, common ion effect, writing KC, KP for the reactions, relation between KC & KP, 2 types of equilibria def., eg., factors influencing chemical equilibrium, KW (def., its value at 25°C, temperature dependence), problems 7.14, 7.15, 7.17, 7.25, 7.26, 7.27, 7.28 are very important for 2 marks and 4 marks.
Hydrogen and Its Compounds
In this lesson learn uses & structure of H2O2, MP, BP, uses of D2O, why BPs of NH3, H2O, HF are higher than the subsequent members of the group, coal gasification, auto protolysis, water gas shift reaction, 3 types of
hydrides, problems on H2O2 and hardness of water, amphoteric nature of H2O are important for 2 marks.
All the oxidising & reducing properties of H2O2, electrolytic method and auto oxidation methods of preparation of H2O2, H2 as a fuel are very important for 4 marks.
the basics of the lesson as they are inter related with chemical equilibrium and electro chemistry.
Hess's law of constant heat summation, Born-Haber Cycle are important for 4 marks.
Enthalpy, Entropy, Gibbs energy, 1st, 2nd, 3rd laws of thermodynamics, relationship between CP and CV, extensive & intensive properties, heat capacity, problems on ΔH = Δ U + Δn R T, heat of formation, heat of combustion,
heat of ionisation, ΔG, ΔS, effect of temperature on spontaneity of reactions are important for 2 marks.
Chemical Equilibrium, Acids - Bases
Even in March 2013 exam one 2 marks and one 4 marks question is asked, there is a possibility of one 8 marks question from "Chemical Equilibrium and Acids-Bases". Learn Lechatlier's principle, and Synthesis of SO3 &
NH3 for 8 Marks.
Lewis, Bronsted theories of Acids & Bases, Conjugate Acid-base pairs, pH definition, problems, buffer solutions (Def., types, examples, Henderson equation related problems, buffer action), buffer capacity salt hydrolysis def. & nature of 3 types of salt solutions, solubility product, common ion effect, writing KC, KP for the reactions, relation between KC & KP, 2 types of equilibria def., eg., factors influencing chemical equilibrium, KW (def., its value at 25°C, temperature dependence), problems 7.14, 7.15, 7.17, 7.25, 7.26, 7.27, 7.28 are very important for 2 marks and 4 marks.
Hydrogen and Its Compounds
In this lesson learn uses & structure of H2O2, MP, BP, uses of D2O, why BPs of NH3, H2O, HF are higher than the subsequent members of the group, coal gasification, auto protolysis, water gas shift reaction, 3 types of
hydrides, problems on H2O2 and hardness of water, amphoteric nature of H2O are important for 2 marks.
All the oxidising & reducing properties of H2O2, electrolytic method and auto oxidation methods of preparation of H2O2, H2 as a fuel are very important for 4 marks.
Junior Intermediate Chemistry Study Plan - Stoichemistry, States of Matter
Chemical Bonding, Molecular Structure
Learn all 2 M, 4 M, 8 M questions from the lesson "Chemical bonding and Molecular structure".
For 2 Marks: Lewis representation, stability of ions, Formal charge, σ & Π bonds, dipolement & applications.
For 4 Marks: Hydrogen bond, types, examples, applications, consequences, postulates of VSEPR theory, Dative bond, Salient features of MOT, MOED of O2 & N2.
For 8 marks: Hybridisation definition, sp, sp2, sp3, sp3d, sp3d2 types with all the examples are very important.
States of Matter
As we expect one 2 M and one 4 M questions from the lesson "States of matter"- gases, liquids, different units of R, isotherms, Boltzmann constant, its units, Ratio of CP :⎯C : C, Surface tension, Coeff. of viscosity, TB, PC,
TC, VC definitions, Problems of Kinetic energy (4.8, 4.9, 4.10 of page 129) are important for 2 marks.
Deduction of gas laws from Kinetic gas equation, postulates of kinetic molecular theory of gases, derive ideal gas equation, Graham's law, Dalton's law, CP, ⎯ C , C definitions & problems (both solved in boxes & unsolved at lesson end), Vander Waals equation are very important for 4 marks.
Stoichiometry
Though one 2 marks and one 4 marks questions were given from 'Stoichiometry' till now, all the concepts are to be learned. One can say "Stoichiometry" is the heart of Chemistry.
Without clarity, perfection in this lesson, one cannot understand most of the physical chemistry topics.
Mole, equivalent weight, oxidation number concepts, balancing of equations in acid & base medium by ion-electron method, problems of E.F., M.F., weight-weight, weight-volume, volume-volume relations, types of redox reactions are very important.
Practice all the questions from the boxes given in every lesson as they may be asked in board examination.
One must prepare for all the competitive examinations parallel to IPE.
Learn all 2 M, 4 M, 8 M questions from the lesson "Chemical bonding and Molecular structure".
For 2 Marks: Lewis representation, stability of ions, Formal charge, σ & Π bonds, dipolement & applications.
For 4 Marks: Hydrogen bond, types, examples, applications, consequences, postulates of VSEPR theory, Dative bond, Salient features of MOT, MOED of O2 & N2.
For 8 marks: Hybridisation definition, sp, sp2, sp3, sp3d, sp3d2 types with all the examples are very important.
States of Matter
As we expect one 2 M and one 4 M questions from the lesson "States of matter"- gases, liquids, different units of R, isotherms, Boltzmann constant, its units, Ratio of CP :⎯C : C, Surface tension, Coeff. of viscosity, TB, PC,
TC, VC definitions, Problems of Kinetic energy (4.8, 4.9, 4.10 of page 129) are important for 2 marks.
Deduction of gas laws from Kinetic gas equation, postulates of kinetic molecular theory of gases, derive ideal gas equation, Graham's law, Dalton's law, CP, ⎯ C , C definitions & problems (both solved in boxes & unsolved at lesson end), Vander Waals equation are very important for 4 marks.
Stoichiometry
Though one 2 marks and one 4 marks questions were given from 'Stoichiometry' till now, all the concepts are to be learned. One can say "Stoichiometry" is the heart of Chemistry.
Without clarity, perfection in this lesson, one cannot understand most of the physical chemistry topics.
Mole, equivalent weight, oxidation number concepts, balancing of equations in acid & base medium by ion-electron method, problems of E.F., M.F., weight-weight, weight-volume, volume-volume relations, types of redox reactions are very important.
Practice all the questions from the boxes given in every lesson as they may be asked in board examination.
One must prepare for all the competitive examinations parallel to IPE.
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