Strategy for cracking Chemistry- IIT JEE 2009

The three branches of chemistry are evenly represented in both the papers in the JEE. The chemistry paper in the year 2008 was in the following format in both Paper I and Paper II: 

Straight-objective type: This involves questions with four alternative answers, of which only one is correct. 

Multiple-correct answer type: This involves questions with four alternative answers, of which more than one is correct. 

Reasoning type: Here, each question involves two statements, which have to correlated with each other. Only one answer is correct. 

Linked-comprehension type: This is a paragraph stating certain facts, from which a set of three questions is framed with four alternative answers, of which only one is correct.

Physical Chemistry
The subject matter in physical chemistry involves topics with well-focused principles. Their application to different problems is straightforward. You should pay more attention to this branch of chemistry so that you can solve problems related to it more comfortably. Be thoroughly prepared with:

  • Bohr’s theory of atomic structure, quantum numbers and orbitals.
  • MO approach to diatomic molecules, hybridization/VSEPR theory
  • Vander Waals equation of state and application to behaviour of real gases
  • Crystal systems, packing of atoms, ionic solids and density of crystals
  • Collegative properties of non-electrolytic and electrolytic solutions
  • Electrolysis, conductance and galvanic cells
  • Differential and integrated rate laws, effect of catalyst and temperature on the rate of reaction
  • Determination of PH of acids, bases and salt solutions (including hydrolysis) and solubility product
  • Le-Chatelier Principle, relation between Kp and Kc
  • Stability of nuclei
  • Thermo-chemical calculations and criterion of spontaneity

As for inorganic and organic chemistry, be prepared with:

Inorganic Chemistry

  • Boron and its compounds
  • Silicates and silicones
  • Oxoacids of phosphorus, sulphur and halogens
  • Inter halogens and compounds of noble gases
  • Important compounds such as H2O2, NAHCO3, NA2CO3, KMnO4, K2Cr2O7
  • Transition elements, lanthanides and coordination compounds
  • Quantitative analysis of salts

Organic Chemistry

  • Isomerism with optical isomerism
  • Inductive and resonance effects on acidity and basicity of acids and bases
  • Factors affecting SN1/SN2 reactions
  • Reaction involving rearrangement
  • Bromination and hydrogenerations of cis-and-trans-alkenes; debromination of different isomers of 2, 3-dibromobutane
  • Reimer-Tiemann reaction
  • Characteristic reactions of ketorres, aldehydes and carboxylic-acid derivatives
  • Reactions with Grignar reagent and those of diazonium salt
  • Carbohydrates and polymers
  • Qualitative analysis of organic compounds

 

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