Chapter Fifteen Aldehydes And Ketones
Copyright © Houghton Mifflin Company. All rights reserved.15 | 2 PhotoDisc Aldehydes and Ketones →CO 15.1 Benzaldehyde is the main flavor component of almonds.
Copyright © Houghton Mifflin Company. All rights reserved.15 | 3 ←Fig Aldehydes and ketones are related to alcohols in the same manner that alkenes are related to alkanes. Aldehydes and Ketones cont’d
Copyright © Houghton Mifflin Company. All rights reserved.15 | 4 ←Fig Benzaldehyde, the simplest aromatic aldehyde.. Aldehydes and Ketones cont’d
Copyright © Houghton Mifflin Company. All rights reserved.15 | 5 Aldehydes and Ketones cont’d © Harvey Lloyd/Peter Arnold, Inc. ←C.C 15.1
Copyright © Houghton Mifflin Company. All rights reserved.15 | 6 Aldehydes and Ketones →Fig Aldehydes and ketones with the same number of carbon atoms and the same degree of saturation are structural isomers.
Copyright © Houghton Mifflin Company. All rights reserved.15 | 7 ←Fig Formalin is used to preserve biological specimens. Aldehydes and Ketones cont’d © 2005 Norbert Wu /
Copyright © Houghton Mifflin Company. All rights reserved.15 | 8 ←Table 15.1 Aldehydes and Ketones cont’d © 2005 Norbert Wu /
Copyright © Houghton Mifflin Company. All rights reserved.15 | 9 © Steven Needham / Envision Aldehydes and Ketones →Fig The delightful odor of melted butter is largely due to butanedione.
Copyright © Houghton Mifflin Company. All rights reserved.15 | 10 ←Table 15.2 Aldehydes and Ketones cont’d
Copyright © Houghton Mifflin Company. All rights reserved.15 | 11 ←Fig Physical-state summary for unbranched aldehydes and unbranched 2-ketones at room temperature and pressure. Aldehydes and Ketones cont’d
Copyright © Houghton Mifflin Company. All rights reserved.15 | 12 Aldehydes and Ketones cont’d © S. McCutcheon / Visuals Unlimited ←CC 15.2
Copyright © Houghton Mifflin Company. All rights reserved.15 | 13 Aldehydes and Ketones Fig. 15.7
Copyright © Houghton Mifflin Company. All rights reserved.15 | 14 Aldehydes and Ketones Table 15.3
Copyright © Houghton Mifflin Company. All rights reserved.15 | 15 Aldehydes and Ketones CC 15.3 Diabetes, aldehyde oxidation, and glucose testing
Copyright © Houghton Mifflin Company. All rights reserved.15 | 16 Aldehydes and Ketones cont’d (c) The inside of the beaker becomes coated with metallic silver. (b) The solution darkens as ethanal is oxidized to ethanoic acid. Figs a-c (a) An aqueous solution of ethanal is added to a solution of silver nitrate.
Copyright © Houghton Mifflin Company. All rights reserved.15 | 17 Aldehydes and Ketones →Fig Benedict’s solution turns brick red when an aldehyde reacts with it.
Copyright © Houghton Mifflin Company. All rights reserved.15 | 18 Fig Acetaldehyde and its hemiacetal and acetal formed by reaction with ethyl alcohol. Aldehydes and Ketones cont’d
Copyright © Houghton Mifflin Company. All rights reserved.15 | 19 Aldehydes and Ketones Fig When a mixture of phenol and formaldehyde dissolved in acetic acid is treated with concentrated hydrocloric acid, a cross-linked phenolformaldehyde network polymer is formed.
Copyright © Houghton Mifflin Company. All rights reserved.15 | 20 Aldehydes and Ketones CC 15.4
Copyright © Houghton Mifflin Company. All rights reserved.15 | 21 ←Fig Bakelite jewelry in use during the time period. Aldehydes and Ketones cont’d © Coco McCoy / Rainbow