L-7. Cracking of petroleum | Types of cracking | 12th Class chemistry | ch.no.7

Explore the intricate process of "Cracking of Petroleum" in this 2nd Year Chemistry lecture by Professor Majid Ali, a gold medalist in chemistry. This lecture is part of Chapter 7, "Fundamental Concepts of Organic Chemistry" from the Punjab Textbook. Learn how the process of cracking converts less desirable petroleum fractions into high-demand gasoline and other valuable hydrocarbons.

Key Points Covered:

Understanding the need for cracking in increasing gasoline yield.
Explanation of the cracking process, where long-chain hydrocarbons are broken into smaller, more volatile molecules.
Detailed overview of the three types of cracking:
Thermal Cracking: High temperature and pressure are used to break down large molecules, particularly useful for producing unsaturated hydrocarbons like ethene and propene.
Catalytic Cracking: Involves cracking at lower temperatures and pressures using a catalyst (typically silica and alumina), resulting in gasoline with a higher octane number.
Steam Cracking: Higher hydrocarbons are heated with steam to around 900°C, producing smaller molecules in a short duration.
This lecture is essential for 12th class chemistry students, particularly those preparing for Inter Part-2 exams. Gain a thorough understanding of the cracking process, which is pivotal in the petroleum industry.

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Tags: 2nd year chemistry, 12th class chemistry, inter part-2 chemistry, cracking of petroleum, thermal cracking, catalytic cracking, steam cracking, organic chemistry, gasoline production, Punjab textbook chemistry, Professor Majid Ali, online chemistry classes

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