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Class12th 8. TRANSITION & INNER TRANSITION ELEMENT One Shot Day -8 || PYQs || #asc HSC 2024

Abhishek Sir Chemistry ASC・138 minutes read

Abhishek Sir emphasizes the importance of consistent study habits, hard work, and dedication, particularly focusing on understanding transition and inner transition elements in Chemistry. He provides detailed explanations of electron configurations and stresses the significance of memorizing formulas and concepts for academic success.

Insights

  • Abhishek Sir emphasizes the importance of regular study habits, consistent effort, and daily attendance to lectures to avoid falling behind in preparation.
  • The text delves into the nuances of transition and inner transition elements in Chemistry, focusing on the characteristics of D block elements and their electron configurations.
  • It discusses the significance of understanding the positioning of elements in the periodic table, including the electronic configurations of transition elements.
  • The text highlights the importance of memorizing formulas and steps in chemical reactions for successful academic performance, emphasizing the significance of minerals containing high metal percentages for economic extraction.

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Recent questions

  • What are transition elements in Chemistry?

    Transition elements are elements that have partially filled d orbitals in their electron configurations. These elements are located in the d block of the periodic table and exhibit characteristic properties such as variable oxidation states, colored compounds, and the formation of complex ions. Understanding transition elements is crucial in Chemistry as they play a significant role in various chemical reactions and industrial processes.

  • How do you calculate magnetic momentum?

    Magnetic momentum can be calculated using the formula = √(n + 2), where "n" represents the number of unpaired electrons in the electron configuration of the element. This calculation helps determine the magnetic properties of elements based on the arrangement of their electrons in orbitals. By understanding and calculating magnetic momentum, scientists can predict the behavior of elements in magnetic fields and study their magnetic properties.

  • What is the significance of electron configurations?

    Electron configurations refer to the arrangement of electrons in the orbitals of an atom. Understanding electron configurations is crucial in Chemistry as they determine the chemical properties and behavior of elements. By knowing the electron configuration of an element, scientists can predict its reactivity, bonding patterns, and physical properties. Electron configurations provide valuable information about the structure of atoms and their interactions with other elements in chemical reactions.

  • How are oxidation states determined in Chemistry?

    Oxidation states in Chemistry are determined by assigning charges to atoms based on their electron configurations and bonding patterns. The oxidation state of an element indicates the number of electrons it has gained, lost, or shared in a compound. By understanding oxidation states, scientists can predict the reactivity of elements, their ability to form compounds, and their role in chemical reactions. Calculating oxidation states is essential in balancing chemical equations and studying the behavior of elements in various chemical processes.

  • What is the role of catalysts in chemical reactions?

    Catalysts are substances that facilitate chemical reactions by lowering the activation energy required for the reaction to occur. They increase the rate of reaction without being consumed in the process, making them essential in industrial processes and laboratory experiments. Catalysts provide an alternative pathway for reactions to proceed, leading to faster and more efficient production of desired products. Understanding the role of catalysts helps scientists optimize reaction conditions, improve yields, and develop sustainable chemical processes.

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Summary

00:00

"Chemistry Teacher Encourages Consistent Study Habits"

  • Abhishek Sir, a Chemistry teacher, welcomes viewers to his video channel and emphasizes the importance of pressing the notification button during exam time.
  • He encourages daily attendance to lectures to avoid falling behind in preparation and stresses the need for consistent effort.
  • Abhishek urges viewers to share the video to reach more students and emphasizes the significance of regular study habits.
  • He mentions the completion of all chapters and the ongoing lecture series by Devil Dubey ji.
  • Abhishek highlights the importance of hard work and dedication, emphasizing the need for consistent study habits.
  • He introduces Chapter 8, emphasizing its value in scoring marks and passing exams.
  • Abhishek instructs viewers to study the chapter thoroughly, providing 30 pages of notes and focusing on specific topics.
  • He promises to provide previous year solutions and detailed explanations of questions related to the chapter.
  • Abhishek motivates viewers to work hard daily and assures them of his commitment to their preparation.
  • He explains the concepts of transition and inner transition elements in Chemistry, focusing on the characteristics of D block elements and their electron configurations.

12:56

Understanding Transition Elements in the Periodic Table

  • The text discusses the concept of transition elements, particularly focusing on d10 and d block elements.
  • It questions whether elements with 10 inside d should be considered transition elements.
  • The text emphasizes the importance of understanding the transition elements and d block elements.
  • It delves into the structure of groups and periods in the periodic table, explaining horizontal and vertical arrangements.
  • The text highlights the significance of understanding the position of elements in the periodic table.
  • It provides a list of elements from scandium to zinc, emphasizing the importance of memorizing them.
  • The text discusses electronic configurations of transition elements, focusing on n-1 d1 to 10 and ns1 configurations.
  • It explains the placement of transition elements in periods four to seven and the series of 3d, 4d, 5d, and 6d elements.
  • The text elaborates on the gradual changes in properties from s block to p block through d block elements.
  • It concludes with a discussion on electronic configurations, emphasizing the importance of memorizing the configurations for exams.

24:04

Stability of d Orbitals in Electron Configurations

  • The text discusses the concept of electrons in the d orbital, specifically focusing on the stability of half-filled and fully-filled d orbitals.
  • It explains that the d orbital can hold up to 10 electrons, with half of that being five electrons.
  • The text emphasizes the stability of half-filled d orbitals compared to fully-filled ones.
  • It highlights the importance of understanding electron configurations for exams and tricks to remember them.
  • The text mentions the positioning of elements like copper and zinc in the periodic table.
  • It delves into the electronic configurations of elements in the first series, particularly focusing on the half-filled d orbitals.
  • The text touches on transition elements and their electron configurations in the d series.
  • It discusses the oxidation states of elements and the importance of writing electron configurations accurately.
  • The text provides guidance on writing the names of elements in a line based on their atomic numbers.
  • It concludes with questions related to the positioning and electron configurations of elements like manganese.

35:01

"Electron Configurations: Copper, Iron, and More"

  • Three should come now, but what did one and two do?
  • Explaining the concept of 4s and 3d electron configurations.
  • The number of copper electrons in 3d and 4s.
  • Teaching a shortcut trick for electron configurations.
  • Discussing the stability of oxidation states in manganese.
  • Explaining the oxidation states of iron.
  • Teaching about the metallic character and its characteristics.
  • Forming metallic bonds and their characteristics.
  • Calculating magnetic momentum using the formula = √(n + 2).
  • Understanding the electron configuration of Fe2+.

46:35

"Discipline, Formulas, and Color Transitions in Chemistry"

  • The text discusses the concept of giving time-outs to spammers in a chat setting, emphasizing the need for discipline.
  • It touches on the significance of understanding the meaning of "fe2 p" and the process of giving in a specific context.
  • The text delves into mathematical calculations, mentioning the number 26 and the process of writing 3d and 4s.
  • It introduces a formula involving "n" and "n + 2" and the process of solving it.
  • The text transitions to discussing the calculation of Magnetic Momentum of Dy from valent ion of aqueous solution atomic number 24.
  • It emphasizes the importance of understanding the term "di valent ion" in the context of aqueous solutions.
  • The text then shifts to explaining the concept of color in substances based on the absorption of visible light.
  • It discusses the relationship between color and the wavelength of light absorbed in the visible region.
  • The text mentions the reaction involving cobalt, chlorine, and water, leading to the formation of a pink color.
  • It concludes by addressing the calculation of magnetic momentum for element 25 and the importance of understanding color transitions in elements related to electron transitions.

58:41

"Chemical Reactions and Catalysts Explained"

  • The lecture will cover the geometry of Complex property tomorrow.
  • Questions will be asked about Hetero Genus and Homogeneous Catalase reaction.
  • Homogeneous Catalysis Reaction involves forming unstable intermediates.
  • A story is used to explain the concept of unstable intermediates.
  • Homogeneous Catalysis Reaction involves metal ions forming unstable intermediates.
  • Hetero Genus Catalysis provides a surface for reactions to occur.
  • Homogeneous Catalysis involves the same matter participating in reactions.
  • Ammonium octoate acts as a catalyst for the decomposition of KClO3.
  • Haber's Process is used in the manufacturing of Ammonia.
  • Interstitial Compounds are discussed in the context of solid state and defects.

01:10:29

Chemical Reactions and Oxidation State Overview

  • Oxidation state is discussed, with emphasis on oxygen's charge of -2 and calculations involving charges.
  • Balancing chemical reactions is explained, with a focus on applying numbers to reactants and products.
  • Instructions are given on balancing a chemical equation by adding numbers to elements.
  • The process of converting sodium chromate to sodium dichromate is detailed, involving reactions with other compounds.
  • The formulae for various compounds like potassium dichromate and sodium chloride are provided.
  • The steps for converting sodium chromate to sodium dichromate are outlined, including reactions with other substances.
  • The role of h2so4 in reactions and the resulting compounds are explained.
  • The importance of memorizing formulas and steps in chemical reactions is emphasized.
  • The action of acidified potassium dichromate and its reactions are discussed.
  • The significance of minerals containing high metal percentages for economic extraction is highlighted.

01:25:24

Metal Extraction Methods and Formulas Explained

  • The stone of Uganda contains metal impurities, referred to as Gangu, which need to be removed using bi flux.
  • Flux is used to remove Gangu impurities, forming slack when combined with Gangu.
  • Pyrometallurgy involves reducing ore to extract metal using high temperatures and reducing agents like carbon or hydrogen.
  • Hydrometallurgy extracts metal from aqueous solutions using reducing agents, focusing on water-based solutions.
  • Electrometallurgy uses electricity to extract metal by reducing molten metallic compounds.
  • The formula for hematite is Fe2O3, while zinc can be extracted from zinc blend (ZnS) or zinc sulfate (ZnSO4).
  • Chalcopyrite is CuFeS2, and calamine is ZnCO3, essential formulas for metal extraction.
  • The process of roasting involves heating concentrated ore in the presence of air to convert impurities into oxides that evaporate as vapors.
  • Smelting is exemplified in blast furnaces, where ore is processed using the counter-current principle.
  • The Zone of Combustion in metal extraction involves oxidizing carbon to form carbon oxides, crucial in the extraction process.

01:39:53

Chemical reactions and temperature in metallurgy.

  • The person is asked to identify five to ten points and explain what happened in them.
  • Hot air is mentioned as coming from below, with carbon coming from above.
  • Two reactions are discussed, with the creation of a product being highlighted.
  • The temperature of the tires is inquired about, specifically at 2000 Kelvin.
  • A reversible reaction is mentioned in the context of low zone combustion.
  • The process of reduction is explained, involving the conversion of Fe2O3 to spongy iron.
  • Slack formation is detailed, involving the combination of gangue flux.
  • The removal of gangue is discussed, with limestone acting as a flux.
  • The temperature for slack formation is specified as 1200 Kelvin.
  • The importance of self-study and dedication is emphasized for academic success.

01:50:41

Exploring F Block Elements and Transition Metals

  • Search for how to use sc step by step
  • Understand the concepts of inner transition and transition elements
  • Differentiate between lanthanides and actinides
  • Learn about F Block Elements and where the last electron enters
  • Identify elements in the sixth and seventh periods
  • Note the atomic numbers of elements from 58 to 78 and 71
  • Understand the properties of elements in the f orbital
  • Recognize the similarities between D Block and F Block elements
  • Learn about the properties of lanthanides and actinides
  • Understand the stability of elements based on the 4f orbital and electronic configuration

02:02:13

Chemical properties and atomic structure exploration.

  • The text discusses the impact of chlorate sulphates on nitrates and the solubility of hydrates.
  • It explores the living conditions of chlorides, carbon, and Lanthus, highlighting their solubility and insolubility.
  • The text delves into the concept of colored eyes remaining single while being colorless.
  • It mentions the comparison of S Block, Lanthanides, and Transition Elements.
  • The text emphasizes the importance of understanding S block metals' monovalent and single nature.
  • It touches on the concept of effective nuclear charge and its impact on electron attraction.
  • The text mentions the availability of details in the Madan Padi Table for further understanding.
  • It discusses the length and contraction of atoms, particularly focusing on the size of M, A, and P.
  • The text highlights the properties of metals, including their hardness and lack of field effect.
  • It concludes with a discussion on coordination properties, complexity geometry, and magnetism in elements.

02:13:19

Video reveals conclusion with key phrases

  • The conclusion is in the video
  • Includes the phrases "Radhe Radhe" and "Jai Maharashtra"
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