9th Edition

ISBN: 9781305717527

Author: McMurry

Publisher: CENGAGE C

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Textbook Question

Chapter 19.5, Problem 8P

The oxygen in water is primarily (99.8%) ¹⁶O, but water enriched with the heavy isotope ¹⁸O is also available. When an aldehyde or ketone is dissolved in 18^O-enriched water, the isotopic label becomes incorporated into the carbonyl group. Explain.

R₂C=O + H₂O $⇄$ R₂C=O + H₂O where O = ¹⁸O

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

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Chapter 19.5, Problem 7P

Chapter 19.6, Problem 9P

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Chapter 19 Solutions

ORGANIC CHEMISTRY W/OWL

Ch. 19.1 - Prob. 1P Ch. 19.1 - Draw structures corresponding to the following...Ch. 19.2 - Prob. 3P Ch. 19.2 - How would you carry out the following reactions?...Ch. 19.4 - Treatment of an aldehyde or ketone with cyanide...Ch. 19.4 - p-Nitrobenzaldehyde is more reactive toward...Ch. 19.5 - Prob. 7P Ch. 19.5 - The oxygen in water is primarily (99.8) 16O, but...Ch. 19.6 - Prob. 9P Ch. 19.8 - Show the products you would obtain by...

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