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Curated by: Khan Academy India - English (24 videos)
In this video, we will look at the different methods of preparing aldehydes from acid chlorides, nitriles and esters. We will discuss some important characteristics of name reactions like Rosenmund reduction and Stephen reaction. We will also look at an important reducing agent DIBAL-H that is used to obtain aldehydes and compare its selectivity with another widely used reducing agent like LiAlH4. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/class-12-chemistry-india/x6a5fb67b43bb54b9:aldehydes-ketones-and-carboxylic-acids?lang=en Timestamps: 00:40 - Rosenmund reduction 01:55 - What is the function of barium sulphate? 04:55 - Stephen reaction 06:30 - What's special about DIBAL-H? 08:35 - Reduction of nitriles and esters using DIBAL-H 09:33 - Example: using LiAlH4 vs H2/Pd vs DIBAL-H. Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Revathi Ramachandran