Unravelling the mystery behind Chemistry

Among the core science subjects, Chemistry is comparatively easier to handle during the class XII Board exams. However, this may all change this year and students need to be prepared for surprises

Keep the following points in mind to score well in the exam.

  • For five chapters of physical chemistry, it is better to practice numerical problems on each formulae discussed in these chapters. Reasoning-type questions on crystal defects, ideal and non-ideal solutions, azeotropes, dilution and its relation with conductivity, molar conductivity, Kohlrausch law, Faraday laws, batteries and their cell reactions involved , adsorption isotherms, colloids and its properties and applications need to be mastered properly.
  • For the next four chapters involving inorganic chemistry, students have to develop understanding of concepts to be able to write balance chemical equations related to p-block and d and f block elements and draw structures of oxy acids, compounds of xenon, hydrolysis reactions involving xenon fluorides, VBT related complexes and CFT, preparation and properties of permanganate and dichromate, metal carbonyl bonding and reasoning related to metallurgy.
  • NCERT book – 2 deals with organic chemistry chapters. Students must practice most organic reactions, substitution and elimination reactions of haloalkanes and haloarenes, reactions involving Grignard reagent, and mechanisms from alcohol and phenol and ethers are important.
  • The last three chapters are useful for value based questions and reasoning based questions. It is important to have a clear understanding of structures of cyclic glucose and fructose, glycosidic, peptide and phosphodiester linkages, types of protein and nucleic acid. Revise each chapter thoroughly.

(The article has been prepared by the experts at Studymate and can be reached at studymate@hindustantimes.com)

Published on May 30, 2019 by Ritu
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