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Preparation Tips for IIT JEE Chemistry Paper

Chemistry is one subject which can assure you guaranteed marks in IIT JEE if you have prepared well. Generally, most of the topics in chemistry are not very much twisted and get tested directly. Some topics such as s, p, d blocks, surface chemistry, transition elements, gaseous state, coordination compounds, chemical equilibrium, nuclear chemistry and stereo-chemistry, are not only easy but do get questioned in IIT JEE Chemistry papers every year. Moreover, these topics are also very scoring but still students do neglect them.

Scoring in Chemistry is more about planning than about application and understanding of concepts. Some topics like organic chemistry are pretty much like mathematics and physics as far as IIT JEE is concerned as it relies on testing of concepts and questions are always framed considering multiple concepts together. Inorganic chemistry, unlike organic chemistry, is directly opposite as all questions asked are always direct and do not need much application. Other topics like stoichiometry are always difficult to handle and need lot of in depth knowledge about reactions and mole concept.

Weightages of topics in Chemistry IIT JEE 2014 exam:

 Physical Chemistry

 Organic Chemistry 

 Inorganic Chemistry

           40-45%

         30-39% 

        30-33%

  • Physical Chemistry 

Physical Chemistry is the branch of chemistry which is quite like mathematics and physics in developing underlying principles of chemistry. This field observes and explains the physical and chemical properties of matter. It starts from basics of mole concept, thermodynamics, and quantities at atomic level and covers energy and kinetics which forms the basis of how reactions occur. Topics such as stoichiometry, concentration of solutions, chemical equilibrium, thermodynamics, atomic structure  or chemical energetic form the backbone of chemistry at IIT JEE level and higher chemistry at graduate and post graduate level. 
Physical chemistry has the maximum weightage out of the three topics- physical chemistry, organic chemistry and inorganic chemistry.

Click here to check physical chemistry sub – topics and its study material

  • Organic Chemistry 

Organic Chemistry is the branch of chemistry which deals mostly with the objects in life. It observes and explains the chemistry in life. While Organic Chemistry in itself is quite vast but at IIT JEE level it deals with General Organic Chemistry. This starts with the concept of Hybridization, Isomerism, IUPAC Nomenclature, Resonance, Hyper- conjugation, etc. Also, stereoisomerism is a critical part which becomes a bottleneck for most of the students. The concepts are used in almost every reaction mechanisms which are a part of topics like Hydrocarbons, Alcohols & Phenols, Halides, Carboxylic acids, Aldehydes & Ketones and derivatives.
Organic chemistry has at least 30-40% weight-age in the IIT JEE chemistry paper and is a scoring area to occupy a high berth in AIR of IIT JEE. 

Click here to check organic chemistry sub – topics and its study material

  • Inorganic Chemistry 

Inorganic Chemistry is the branch of chemistry which deals with the chemical changes in the most original manner. This topic is not mathematical in nature and deals in elemental form of nature. Mendeleev’s Periodic Table becomes the basis of study as we divide the elements according to their groups and then study them. The groups are regrouped as s-block, p-block, d-block and f-block elements. Amongst these, p-block is not the bulkiest but also the most important part. Next in the order of importance are the s-block elements. From the scoring point of view, the chapter of Coordination Compounds is also important. Other chapters of Analytical Chemistry and Extraction of Elements also fetch few questions which are direct in nature. 
Inorganic chemistry has at least 25-30% weight-age in the IIT JEE chemistry paper. But, if we talk about the effort to scoring ratio from IIT JEE perspective then it is the least in this case. Any good student cannot afford to ignore this section. 

Click here to check inorganic chemistry sub – topics and its study material

Analysis of JEE Mains 2014 Chemistry Paper:

The following shows the weightages of topics asked in the JEE Mains 2014 Chemistry exam:

The detailed analysis is as given below:

Unit & Topic Name

No of Questions asked

Total Marks Allotted

% Weightage

Inorganic Chemistry

8

32

27%

Chemical Bonding

2

8

7%

d-block & f-block

2

8

7%

p-block

1

4

3%

Reaction Mechanics

2

8

7%

Transition Elements & Coordination Chemistry

1

4

3%

Organic Chemistry

8

32

27%

Aromatic Compound

1

4

3%

Carbohydrates, Amino Acids and Polymers

3

12

10%

General Organic Chemistry

1

4

3%

Hydrocarbons

1

4

3%

Oxidation & Reduction

1

4

3%

Practical Organic Chemistry

1

4

3%

Physical Chemistry

14

56

47%

Atomic Structure

1

4

3%

Chemical Equilibrium

1

4

3%

Chemical Kinetics

1

4

3%

Electrochemistry

4

16

13%

Equivalent Concept & Titration

1

4

3%

Gaseous State

1

4

3%

Mole Concept

2

8

7%

Solid State

1

4

3%

Solution & Colligative Properties

1

4

3%

Thermodynamics & Thermo chemistry

1

4

3%

Grand Total

30

120

100%

Important books for Chemistry to prepare for JEE:

It is advisable to not spend time reading too many books because that may leave you with no time to revise at the end. Just keep a few important books with the consultation of your teachers. A few books you can refer to for cracking IIT JEE 2015 Chemistry paper are:

  • Numerical Physical Chemistry for JEE Main & Advanced by Neeraj Kumar

  • Textbook of Inorganic Chemistry for JEE Main & Advanced and Other Engineering Entrance Exams by Dr.R.K. Gupta

  • Organic Chemistry by I E Irodov

  • Inorganic Chemistry by OP Tandon

  • Modern Approach to Chemical Calculations -  RC Mukherjee

Line of Action:

A. Physical Chemistry

To have a better command over physical chemistry, the following measures can be used :

  • Maintain one analysis book solely for physical chemistry.

  • On completing every chapter you should note down the conceptually weak topics.

  • List out the formulae you have learnt in the chapter.

  • On completing a topic, you should solve practice problems from many of the available books.

  • Note down the question numbers and source of all the challenging problems where you committed mistakes.

  • Must write minimum two tests for every chapter.

  • Solve previous years' IIT JEE question papers. You can tick mark those questions that you find connected with other chapters also.

B. Organic Chemistry

Some tips to practice Organic Chemistry:

  • List out the reactions chapter-wise.

  • Use pencil, erase and write the product at regular intervals.

  • Revise the reactions, recalling the mechanism.

  • You should practice some of the Conversions daily, writing reagents and products in detail.

  • Focus on subjective working, objectivity will come itself with greater perfection.

  • In organic chemistry interconnectivity of chapters is characteristically more prevailing, so chapter-wise IIT JEE questions can be solved only when one is well through in general organic chemistry.

C. Inorganic Chemistry

Although the subject is so vast, simply following the below measures can increase your efficiency and performance in inorganic chemistry.

  • Prepare summary notes for representative elements and transition elements.

  • Prepare yourself important charts and tables in metallurgy and qualitative analysis. Paste that near your study table. Daily twice or thrice, even a casual look at that can keep you updated.

 

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