Check this article to know about the Important Questions for CBSE Class 12 Chemistry for Class 12 board exams.
Chemistry Class 12 Important Questions 2022: CBSE 12th Chemistry chapter wise Questions for Class 12 Chemistry on SpeEdLabs are an essential study guide for students preparing for their Class 12 board exams. Chemistry Class 12 Important Questions will provide students with a comprehensive understanding of the chemical equations, electron orbitals, stoichiometry, organic and inorganic chemistry, and other important topics covered in the CBSE Chemistry syllabus.
Our subject-matter experts at SpeEdLabs have prepared these questions based on CBSE Class 12 Chemistry’s latest syllabus, sample papers, and previous year answer keys. Our Chemistry class 12 important questions with Answers for Class 12 provide you with advanced preparation for the subject. To boost their exam preparation, students can practise the Chemistry Class 12 Important Questions Chapter wise for Class 12 Chemistry.
Due to the fact that students are required to prepare both for their CBSE Boards as well as for competitive examinations such as NEET and JEE. It is thus necessary for them to prepare for both kinds of examinations by knowing the CBSE chapter wise Questions class 12 Chemistry.
CBSE Class 12 Chemistry Important Questions
You can use the CBSE 12th Chemistry Chapter Wise questions to gain a deeper understanding of the chapters. Students will learn the essentials of Chemistry to operate in their daily lives, such as identifying what chemicals to use and which are dangerous, how ratios work, and more.
In class 12 Chemistry, the chapters covered include:
- The Solid State
- Number of octahedral voids = Number of atoms and Number of tetrahedral voids = Twice the number of atoms
- For unit cell dimension the important formula is M = dNaa3/ z
- Solutions
- Raoult’s law
- Dalton’s law of partial pressure
- Henry’s law
- Mass % = (Mass of component in solution/ Total mass of the solution) ✕ 100
- Volume % = (Volume of component in solution/ Total volume of the solution) ✕ 100
- ppm = (No. of parts of the component/ Total no. of parts of all components of solution) ✕100
- Mole fraction = No. of moles of component/ Total no. of moles of all components
- Molarity = (Moles of solute/ volume of solution in litres)
- Molality = Moles of solute/ Mass of solvent in kg
- Relative Lowering of vapour pressure
- Elevation of boiling point
- Depression of freezing point
- Osmosis and Osmotic Pressure
- Van’t Hoff Factor
- Electrochemistry
- Type of cells
- Electrode potential
- Standard electrode potential
- Anode
- Cathode
- Cell potential
- Cell electromotive force (emf)
- SHE (Standard Hydrogen Electrode)
- Nernst equation
- Relation between cell potential and Gibbs energy:
- Relation between equilibrium constant and Gibbs energy
- Resistance(R)
- Resistivity
- Specific conductance/Conductivity
- Molar conductivity
- Molar Conductivity for Strong Electrolytes
- Molar Conductivity for Weak Electrolytes
- Kohlrausch’s law of independent migration of ions
- Faraday’s law of electrolysis
- Types of electrodes
- Batteries
- Corrosion
- Hydrogen Economy
- Chemical Kinetics
- First Order Reaction Kinetics
- Arrhenius Equation
- Order and Molecularity
- Surface Chemistry
- Distinction between adsorption and absorption
- Types of Adsorption
- Freundlich adsorption isotherm
- Colloids
- Emulsions
- General Principles and Processes and Processes of Isolation of Elements
- Metallurgy
- Ellingham Diagram
- Mond process for refining nickel
- Van Arkel Method for refining zirconium or titanium
- The p-Block Elements
- Inert pair effect
- Disproportionation
- Non-metallic hydrides
- Colour of halogen compounds
- Non-metallic halides
- Catenation
- Interhalogen compounds
- Structures of Oxoacids: Phosphorus and Sulphur
- Structures of Fluoride: Sulphur, xenon, bromine
- Basicity of group 15 elements
- Structures of PCl5, H2SO3, H2SO4, H2S2O8, H2S2O7, HOCl, HClO2, HClO34, N2<O5, XeOF4
- The d and f Block Elements
- d-Block elements
- f-Block elements
- Actinoids
- Lanthanoid Contraction
- Actinoids Contraction
- Coordination Compounds
- Coordination Compounds
- Coordination Entity
- Central Atom or Ion
- Ligands
- Coordination Number
- Coordination Sphere
- Coordination Polyhedron
- Oxidation Number of Central Atom
- Homoleptic complexes
- Heteroleptic complexes
- Werner’s theory
- Valence bond theory
- Crystal-field theory
- Haloalkanes and Haloarenes
- Nomenclature
- Nature of C-X bond
- Physical and chemical properties
- Mechanism of substitution reactions
- Optical rotation
- Nature of C -X bond,
- Substitution reactions (Directive influence of halogen in monosubstituted compounds only.
- Uses and environmental effects of -
- Dichloromethane
- Trichloromethane
- Tetrachloromethane
- Iodoform
- Freons
- DDT
- Alcohols, Phenols and Ethers
- Nomenclature
- Methods of preparation
- Physical and chemical properties
- Identification of primary, secondary and tertiary alcohols (very important)
- Mechanism of dehydration, uses with special reference to methanol and ethanol
- Acidic nature of phenol
- Electrophilic substitution reactions
- Uses
- Aldehydes, Ketones and Carboxylic Acids
- Nomenclature
- Nature of carbonyl group
- Acidic nature
- Methods of preparation
- Physical and chemical properties
- Mechanism of Nucleophilic addition (very important)
- Uses
- Amines
- Nomenclature
- Classification
- Structure
- Methods of preparation
- Physical and chemical properties
- Uses
- Identification of primary, secondary and tertiary amines
- Biomolecules
- Classification (aldoses and ketoses)
- Monosaccharides (glucose and fructose)
- D-L configuration oligosaccharides (sucrose, lactose, maltose)
- Polysaccharides (starch, cellulose, glycogen)
- Importance of carbohydrates
- Elementary idea of — amino acids, peptide bond, polypeptides, proteins,
- Structure of proteins — primary, secondary, tertiary structure and quaternary structures (qualitative idea only) — very important
- Denaturation of proteins
- Enzymes
- Hormones — Elementary idea excluding structure
- Vitamins — Classification and functions
- Nucleic Acids: DNA and RNA
- Methods of polymerization
- Copolymerization
- Some important polymers
- Nylon polyesters
- Bakelite
- Rubber
- Biodegradable and non-biodegradable polymers
- Chemistry in Everyday Life
- Analgesics
- Tranquillisers antiseptics
- Disinfectants
- Antimicrobials
- Antifertility drugs
- Antibiotics
- Antacids
- Antihistamines
- Preservations
- Artificial sweetening agents
- Elementary idea of antioxidants
- Soaps and detergents
- Cleansing action
By studying the Chemistry class 12 important questions, students will be able to figure out all the solutions to all the exercises in the chapters, thus learning the chapters effectively.
Chemistry Class 12 Important Questions- Weightage
Class 12 Chemistry Important questions will help you develop a strong understanding of the theories in the chapters and help you study the question patterns and how to solve them.
In the board exam, Chapter wise Questions for class 12 CBSE Chemistry carry 70 marks for theory and 30 marks for practical. In Chemistry, there are three sections: long questions, short answers 1, and short answers 2.
Types Marks(each question) No. of Questions Total Marks Long Questions 5 3 15 Short Questions 1 2 4 8 Short Questions 2 3 4 12
The class 12 Chemistry chapter wise Important Questions with Answers will help the students prepare adequately for their exams and help them decide the best approach for solving various types of problems.
Chemistry Important Questions Class 12 State Board: Benefits
- Class 12 Chemistry Important Questions cover all exam-relevant questions.
- Students are offered solutions according to their age group.
- Learners can grasp the concepts in detail through the important questions of solutions class 12 that are both simple and comprehensive.
- Students can get the solved solutions for the important questions of chapter solutions class 12 Chemistry free.
The solutions and questions of the chapters are prepared by expert teachers in order to guide students in learning the chapter as quickly as possible.
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Originally published at SpeedLabs Blog.
