Covalent Character in Ionic Compounds | Fajan’s Rule
None of the heteroatomic compounds is completely covalent or completely ionic in nature. In fact, ionic compounds acquire covalent characters and vice versa. Fajan’s rule decides the covalent character in ionic compounds. If there is more polarization of anion by cation, then the compound has a more covalent character.
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(2) Centralize your study to the NCERT books and one or two reference books of organic Chemistry. Don’t follow too many books otherwise, you would not be able to complete your syllabus. Always remember, different books differ being only nineteen or twenty in text quality, but never differ of being nineteen and twenty-five.
(3) Follow the quality notes of a good mentor. Don’t run behind the brand, but run behind the concise and effective notes of your mentor.
(4) Prepare your own capsule notes for revision.
(5) Maintain consistency and regularity in your preparation.
(6) Revise the prepared topics regularly. Always remember, revision is not a waste of time but it makes you perfect. Always keep in mind that, “Revision is division” i.e. Revision improves your marks and ultimately your rank in the final selection.
(7) Solve practice problems and previous year’s papers in the specified time frame. It would help you to finish your paper timely in the final examination.
(8) Always be confident in your preparation, but never be overconfident. Always read the question carefully and then answer. You usually make mistakes in overconfidence and it has to be reduced.
Important Reference Books for Physical Chemistry
(1) Physical Chemistry by Dr. O.P. Tandon
(2) Modern’s abc of Objective Chemistry
(3) Numerical Chemistry by R.C. Mukhargy
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