STRATEGY IAS / IFOS Strategy for Chemistry Optional:- Secret of Scoring Maximum marks:- How to prepare for mains Exam:-

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Margaret Boyd
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1 STRATEGY IAS / IFOS Strategy for Chemistry Optional:- Civil services examination these days have become one of toughest examination, looking at the level of competition involved in this examination one can qualify this through proper planning & management simply hard-work cannot guarantee your success in this exam. First step in the proper planning is right selection of optional. In my opinion optional subject should be chosen on the basis of one s interest, scoring pattern, availability of study material, & expert guidance. Secret of Scoring Maximum marks:- A detail analysis of chemistry syllabus and pattern of recent year questions reveals that chemistry is a one of scoring subject in CSE-mains examination with minimum effort: focused approach, selection of books with understanding & Proper guidance is key for the scoring 280 plus marks. How to prepare for mains Exam:- Over all chemistry syllabus is divided in two papers. First paper includes physical. Chemistry & Part of Inorganic chemistry while second paper include organic chemistry and spectroscopy. First paper is mathematical as well as theoretical. For physical chemistry part one required good understanding & proper presentation ability to secure good marks. Minimum efforts for preparation of this paper can be achieved by dividing this subject in to three parts. I. Static physical chemistry:- Liquid state, Gaseous state, Thermodynamics & Phase equilibria. II. Dynamic Physical chemistry:- Electrochemistry, Chemical kinetics,surface Chemistry and Photochemistry III. Structural physical chemistry: Atomic structure, Chemical bonding & Solid state. To minimize the effort of preparation students must study these topic together Because they are interlinked topic. To explain this thermodynamic includes properties of gases and phase equilibriums is an application of thermodynamics if sequence of study in broken then students must require more time as compared to sequential study. An overall question from physical chemistry includes mathematical derivation, numericals (now a day a percentage increasing) and also theoretical principle of physical chemistry. Remember your answer must be concise, comprehensive, and clear in my language triple C(CCC) is key of success for good score in this section. All the assumptions, proper figure/ diagram, through analysis, along with practical application must be included in your answer. To explain this I take one example. Like Discuss the principle of polarograpy, your answer must include. I- It is application of irreversible electrochemistry.

2 II Different Type of polarizations. III Explain concentration polarization. IV Give proper diagram V- Derive the mathematical relation between. Diffusion current & E 1/2 Such a clear representation can provide you 80% marks. Second part of this paper is Inorganic chemistry which contribute 1/3 rd weightage. Inorganic chemistry is chemistry of facts, theoretical principle and structural identification. First step in preparation of this is selection of good books followed by preparation of comprehensive notes, writing ability with sequential representation of facts is key of scoring good marks in this section. Paper II Paper II is organic chemistry with spectroscopy for the purpose of preparation this paper can be divided in three sections. I. General organic Chemistry:- Aromaticity, Reaction Mechanism including Pericyclic reaction. II. Synthetic organic chemistry:- Named reaction, Photochemistry, Reagent & polymer. III. Spectroscopy For minimum effort to expertise this paper one must follow this sequence because basic of general organic chemistry become facts of synthetics organic chemistry. To elaborate this, reaction mechanism is completely applied to study any named reaction or any application of reagent. A good command on reaction mechanism minimizes your time in study of named reaction & synthetic reagent. Organic Chemistry is more scoring as compared to any other branch of chemistry overall organic chemistry depends upon three words of English i.e. WHAT, HOW & WHY a student must prepare this paper accordingly, to elaborate this, take example discuss product (s) of this reaction. Question. Treatment of this keto aldhyde with KOH gives a compound C 7 H 10 O with spectroscopic data is given, what is its structure and how it formed? Assign NMR data and give mechanism. Answer. Whenever two carbonyl is separated by at least two carbon atoms it undergoes intra molecular Aldol condensation leading to cyclisation.

3 1 IR VC O 1720cm due to cofdugation NMR data H d -proton due extra deshielding through conjugation 6.8(1Hd) proton H,s, Methyl protons Hs ' proton

4 Paper I Course Detail 1. Atomic Structure 08 Hours 2. Chemical Bonding 13 Hours 3. Solid State 08 Hours 4. Liquid State 03 Hours 5. Gaseous State 04 Hours 6. Thermodynamics 14 Hours 7. Phase Equilibrium 06 Hours 8. Electrochemistry 12 Hours 9. Chemical Kinetics 08 Hours 10. Surface Chemistry 03 Hours 11. Photochemistry 03 Hours 12. f-block Hours 13. Coordination Compounds 12 Hours 14. P block Chemistry 03 Hours Total Hours 100 hr Phase Test 1 Atomic Structure + Chemical Bonding + Solid State Phase Test 2 Liquid State + Gaseous State + Thermodynamics Phase Test 3 Phase Equilibrium + Electrochemistry + Chemical Kinetics Phase Test 4 Surface Chemistry + Photochemistry + f-block Phase Test 5 Coordination Compounds + P block Chemistry

5 Paper II Course Detail 1. Aromaticity 05 Hours 2. Reactions Mechanism - 45 Hours 3. Rearrangements - 05 Hours 4. Named Reaction - 10 Hours 5. Pericyclic Reaction - 06 Hours 6. Photochemistry - 06 Hours 7. Reagents - 05 Hours 8. Spectroscopy - 14 Hours 9. Polymers - 04 Hours Total Hours 100 hr Phase Test 1 Phase Test 2 Phase Test 3 Phase Test 4 Phase Test 5 Aromaticity + Reactions Mechanism Reactions Mechanism Named Reaction + Reagents Pericyclic Reaction + Photochemistry Spectroscopy + Polymers

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Jee main PaPer analysis Jee main 217 PaPer analysis Chandivali, Andheri (E), Mumbai 72 Phone: 22-275 Email: studentcare@raoiit.com Website : www.raoiit.com 1 General overview JEE Main 217 Paper Analysis RAO IIT JEE Main Level