Chemistry Class 12 NCERT: Key Concepts Quiz

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Questions and Answers

In coordination compounds, what do ligands usually act as?

  • Reaction intermediates
  • Collision theory contributors
  • Ion donors (correct)
  • Central metal atoms

What is the primary focus of chemical kinetics in Class 12 NCERT curriculum?

  • Factors affecting reaction rate (correct)
  • Types of coordination compounds
  • Properties of d and f block elements
  • Formation of electrochemical cells

Which topic is not covered in the Class 12 NCERT chemistry syllabus?

  • Formation of electrochemical cells (correct)
  • Half-life and reaction rate constants
  • Oxidation states of central atoms and ligands
  • Geometry of coordination compounds

What type of bonds are formed between the central metal ion and ligands in coordination compounds?

<p>Coordinate covalent bonds (B)</p> Signup and view all the answers

Which concept is not directly related to chemical kinetics?

<p>IUPAC nomenclature of coordination compounds (C)</p> Signup and view all the answers

What is the primary focus of studying D and F block elements in chemistry?

<p>Understanding various chemical and physical properties (B)</p> Signup and view all the answers

Which of the following is NOT a topic covered under electrochemistry in Class 12 chemistry?

<p>Radioactive decay (C)</p> Signup and view all the answers

In coordination compounds, complex formation leads to the formation of structures known as:

<p>Isomers (D)</p> Signup and view all the answers

What type of cells are classified based on the sign of their cell potential?

<p>Galvanic cells (B)</p> Signup and view all the answers

What is the key difference between galvanic and electrolytic cells?

<p>The flow of electrons (B)</p> Signup and view all the answers

Flashcards

Chemical Kinetics

The study of the rates of chemical reactions and the factors that influence them.

Activation Energy

The minimum amount of energy required for reactants to collide and form products.

Molarity

The concentration of a substance in a solution.

Rate Law

The rate of a reaction is directly proportional to the concentration of the reactants raised to their respective orders.

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Half-life

The time it takes for the concentration of a reactant to decrease to half its initial value.

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Coordination Compounds

Compounds formed when a central metal atom or ion is surrounded by ligands.

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Ligands

Molecules or ions that donate electrons to the central metal ion and form coordinate covalent bonds.

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Electrochemistry

The study of chemical reactions and processes that occur at an electrode or in a cell.

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Galvanic Cell

A device that converts chemical energy into electrical energy.

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Electrolytic Cell

A device that uses electrical energy to drive a non-spontaneous chemical reaction.

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Study Notes

Chemistry Class 12 NCERT: A Comprehensive Overview

In the final year of secondary school, students in India explore advanced concepts in chemistry through the National Council of Educational Research and Training (NCERT) curriculum. This article will focus on the four core areas of the Class 12 chemistry syllabus: chemical kinetics, coordination compounds, d and f block elements, and electrochemistry.

Chemical Kinetics

Chemical kinetics deals with the rates at which chemical reactions occur and the factors affecting these reaction rates. In Class 12 NCERT, students study the following topics within this domain:

  1. Rate of reactions
  2. Factors affecting reaction rate
  3. Collision theory
  4. Reaction order and rate law
  5. Half-life and reaction rate constants
  6. Integrated rate equations
  7. Reaction intermediates and mechanisms

Coordination Compounds

Coordination compounds are a major concept in Class 12 chemistry that deals with the study of complex compounds formed when a central metal atom or ion is surrounded by ligands, which are usually donor molecules or ions. These compounds are created due to the formation of coordinate covalent bonds between the central metal ion and the ligands. Students will learn about the following topics:

  1. Introduction to coordination compounds
  2. Ligands and complex ions
  3. IUPAC nomenclature of coordination compounds
  4. Oxidation states of central atoms and ligands
  5. Formation of coordination compounds
  6. Geometry of coordination compounds
  7. Color and magnetic properties of coordination compounds
  8. Applications of coordination compounds

D and F Block Elements

D and f block elements are a major part of the periodic table and are essential for understanding various chemical and physical properties of elements. Students will learn about:

  1. The d and f blocks in the periodic table
  2. Electronic configuration
  3. Atomic, ionic, and oxidation states
  4. Reactivity trends
  5. Chemical and physical properties
  6. Complex formation
  7. Applications

Electrochemistry

Electrochemistry is the study of chemical reactions and processes that occur at an electrode or in a cell. In Class 12, students will study the following topics:

  1. Electrochemical cells and their classifications
  2. Galvanic and electrolytic cells
  3. Cell potentials and E cell
  4. Nernst equation
  5. Applications of electrochemistry
  6. Fuel cells and batteries
  7. Corrosion and its prevention

Further Exploration

The NCERT Class 12 chemistry syllabus is a comprehensive and rigorous program that provides a strong foundation for students to excel in this discipline. With a focus on understanding rather than memorizing, students are encouraged to apply their knowledge to real-world situations and solve complex problems. The NCERT curriculum covers the latest advances in chemistry, ensuring that students remain up-to-date with current scientific developments.

By studying these core topics of chemistry, students will gain a deeper understanding of chemical processes and reactions, the structure and properties of complex compounds, and the role of D and f block elements in various applications. Exploring these concepts will equip students with the necessary skills to tackle more advanced courses in chemistry and beyond.

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