Inorganic Chemistry

Curriculum

8 Sections
41 Lessons
10 Weeks

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Classification of Elements and Periodicity in Properties:
This section covers the modern periodic table and the periodic trends of elements. Topics include atomic and ionic radii, ionization enthalpy, electron gain enthalpy, electronegativity, valence, and oxidation states.
4
Chemical Bonding and Molecular Structure:
This is a crucial topic that extends beyond just inorganic chemistry, but a deep understanding of bonding is essential. It includes theories like VSEPR, valence bond theory, and molecular orbital theory, as well as concepts like hybridization, resonance, and dipole moment.
5
Coordination Compounds:
This sub-part focuses on complex compounds. Key topics include Werner's theory, IUPAC nomenclature, isomerism (cis-trans, ionization), bonding theories (Valence Bond Theory and Crystal Field Theory), magnetic properties, and the color of coordination compounds.
5
s-Block Elements:
This section deals with the alkali and alkaline earth metals (Groups 1 and 2). It covers their general characteristics, reactivity towards various substances, and the properties of their compounds
5
p-Block Elements:
This is a large and important section covering groups 13 to 18. It details the electronic configuration, general trends in physical and chemical properties, anomalous behavior of the first element in each group, and the preparation, properties, and uses of important compounds of these elements.
7
d- and f-Block Elements:
This section focuses on transition elements (d-block) and inner transition elements (f-block). It includes general characteristics, electronic configuration, and trends in properties like ionization enthalpy, oxidation states, and magnetic properties.
5
Principles of Qualitative Analysis:
This topic, also known as salt analysis, involves the identification of cations and anions. It's an experimental chemistry topic that requires an understanding of the reactions and principles involved in separating and confirming the presence of different ions.
6
Metallurgy (General Principles and Processes of Isolation of Elements):
This part covers the general methods of extracting metals from their ores, including topics like concentration, reduction, refining, and the principles behind these processes
4

Lesson 2: Concentration of Ores

This lesson details the various physical and chemical methods used to remove gangue from the ore. The choice of method depends on the properties of both the ore and the gangue.

Hydraulic Washing: This method, based on the difference in specific gravity of the ore and the gangue, is used for heavy ores. The powdered ore is washed with a strong stream of water, which carries the lighter gangue particles away.
Magnetic Separation: This technique is used when either the ore or the gangue is magnetic. The crushed ore is passed over a magnetic roller, which separates the magnetic particles from the non-magnetic ones. This is commonly used for iron ores like hematite.
Froth Flotation Process: This method is used for sulfide ores. The powdered ore is mixed with water, pine oil (a frothing agent), and collectors (like xanthates). Air is then blown into the mixture, creating a froth that selectively carries the hydrophobic ore particles to the surface, while the gangue, being hydrophilic, settles at the bottom.
Leaching: This is a chemical method where the ore is treated with a suitable chemical reagent that dissolves the ore but not the gangue. It’s often used for extracting precious metals like gold and silver. For instance, gold is leached with a dilute solution of sodium cyanide.

Inorganic Chemistry

Curriculum

Lesson 2: Concentration of Ores

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