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Created with Fabric.js 1.4.5 Chemistry Explore Amide Amide Editor:@Samuel Zhu Course:Grade12 Chemistry Date:18 Feb, 2015 Teacher: Mrs.Samuel What's Amide? Amide is one of the functional groups. Amides are derived from carboxylic acids. Nomenclature of Amides 1.The name is based on the including the carbonyl group of the amide group.2. The C=O carbon must be C1.3.Use suffix 4.If the amide nitrogen is substituted, the these substituents are given N- as the locant. 1.Draw the main chain.2.Adding Amide group to the end of the main chain.3.Draw the second chain.4.Adding other substituent groups to positions . How to draw the structure Properties of Amides Some amides are soluble in increases, solubility decreases. Primary amides (with two H atoms),have higher melting and boiling point than similar amides. Alkanes: Longer carbon chain,higher boiling point.can't dissolve in water, low boiling point low melting point. The hydrogen atoms in the -NH 2 group are sufficiently positive to form a hydrogen bond with a lone pair on the oxygen atom of another molecule. hydrolysis reactions This reaction can also happen on secondary amide and tertiadary amide. Application and Impact Amides are widely used in natureand technology as structural materials.Nylons are polyamides, as are thevery resilient materials Aramid , Twaron. Amide linkages are also part of proteins.Proteins can have structural roles,such as in hair or spider silk , but also nearly all enzymes are proteins.Therefore, lots of amides are in our bodies. At the same time, the amide linkage is easily formed, confers structural rigidity, and resists hydrolysis .It makes our nylon cloths pliable and helps resist water.Also, it makes our hair straight and firm. water. The length of carbon chain longest chain -amide.
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