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Index: General Principles & Processes of Isolation of Elements | Inorganic Chemistry for NEET PDF Download

Index: General Principles & Processes of Isolation of Elements | Inorganic Chemistry for NEET

1. General introduction

2. Occurrence of metals

3. Concentration of ores

4. Extraction of crude metal from concentrated ore

5. Thermodynamic principles of metallurgy

6. Ellingham diagram

7. Isolation of elements

8. Refining

9. Uses of Al, Cu, Zn and Fe

10. NCERT Material

11. NEET Questions

12. Chapter tests and other docs

The document Index: General Principles & Processes of Isolation of Elements | Inorganic Chemistry for NEET is a part of the NEET Course Inorganic Chemistry for NEET.
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FAQs on Index: General Principles & Processes of Isolation of Elements - Inorganic Chemistry for NEET

1. What are the general principles of isolation of elements?
Ans. The general principles of isolation of elements include reduction, oxidation, and electrolysis. Reduction involves the removal of oxygen or addition of hydrogen, while oxidation involves the addition of oxygen or removal of hydrogen. Electrolysis is the process of using an electric current to separate elements.
2. What is the process of reduction in the isolation of elements?
Ans. The process of reduction in the isolation of elements involves the removal of oxygen or addition of hydrogen. This can be achieved through various methods such as the use of carbon or carbon monoxide as reducing agents. Reduction is commonly used for the extraction of metals from their ores.
3. How does electrolysis work in the isolation of elements?
Ans. Electrolysis is a process used in the isolation of elements that involves the use of an electric current to separate elements. It is commonly used for the extraction of highly reactive metals such as sodium and aluminum. During electrolysis, the metal ions are reduced at the cathode (negative electrode) while the non-metal ions are oxidized at the anode (positive electrode).
4. What is the role of oxidation in the isolation of elements?
Ans. The role of oxidation in the isolation of elements involves the addition of oxygen or removal of hydrogen. This process is commonly used for the extraction of non-metals from their compounds. For example, the extraction of sulfur from metal sulfides involves roasting the sulfides in the presence of oxygen to convert them into metal oxides and sulfur dioxide.
5. Can you provide an example of the isolation of elements using reduction?
Ans. Yes, an example of the isolation of elements using reduction is the extraction of iron from its ore, hematite (Fe2O3). Iron ore is first crushed and then heated in a blast furnace with coke (carbon) as a reducing agent. The carbon reacts with the oxygen in the ore, reducing it to pure iron while producing carbon dioxide gas as a byproduct.
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