Inorganic Chemistry

Curriculum

8 Sections
41 Lessons
10 Weeks

Expand all sectionsCollapse all sections

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 6: Reduction and Refining of Metals

This lesson details the processes used to convert the concentrated ore into crude metal and then purify it.

Calcination and Roasting: These are two thermal processes used to convert the concentrated ore into a more reactive form. Calcination involves heating a carbonate or hydroxide ore in the absence of air, while roasting involves heating a sulfide ore in the presence of air.
Reduction: The main reduction processes are:
- Smelting: This uses a reducing agent like carbon or carbon monoxide to reduce the metal oxide. The process is carried out in a furnace at high temperatures.
- Electrolytic Reduction: This method is used for highly electropositive metals like aluminum and alkali metals, which cannot be reduced by carbon. The metal is extracted from its molten ore by electrolysis.
Refining: The refining of crude metals can be done by several methods:
- Distillation: Used for low boiling point metals like zinc and mercury.
- Liquation: Used for metals with low melting points, like tin and lead.
- Electrolytic Refining: This is a very common method for purifying metals like copper and silver. The impure metal acts as the anode, and a pure strip of the same metal acts as the cathode.
- Vapour Phase Refining: This involves converting the metal into a volatile compound, which is then decomposed to give the pure metal. Examples include the Mond’s process for nickel and the van Arkel process for zirconium and titanium.

Inorganic Chemistry

Curriculum

Lesson 6: Reduction and Refining of Metals

Leave a ReplyCancel Reply

Modal title