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Draw structures of lactol/cyclic hemiacetal or cyclic acetal formed from intramolecular cyclization of the hydroxy aldehydes/ketones9-6.jpg
Draw the structures of the aldehydes or ketones and alcohols formed when these acetals are treated with aqueous acid and hydrolyzed.
omenclature of aldehydes and ketones: name the structures
(5) (9 points) Reactions involving aldehydes and ketones. In the text boxes below, indicate the most Teasonable product(s) for each reaction from the list of structures (A-H) in the box at the right. H.CO - YY (b) Product from (a) + TH
PRELIMINARY EXERCISES Experiment 18 Aldehydes and Ketones 1. Draw the structural formula (dash structure) for the following aldehydes and ketones: formaldehyde propanone acetaldehyde 3-pentanone 2. Draw a sketch of the carbonyl group showing its polarity using 8+ and 8-symbols. Then draw a second picture showing hydrogen-bond formation between water and the carbonyl group, which enhances solubility. Use a dotted line (...) to indicate a hydrogen bond.
2. Reactivity of Aldehydes and Ketones a. Rank the following aldehydes and ketones in order from LEAST reactive to MOST reactive: н" H Н H C b. Justify your answer thoroughly in words: I ш B
pi15 CH3 TWO Chapter 16 Home (8 pts) Draw each of the following aldehydes and ketones: 3,3-dichloropentanal 3,3-dimethyl-2-hexanone 5 -methyl-3-propylhexanal 2,4,5-triethylcyclohexanon ots) Name each of the following aldehydes and ketones:
aue Pctione 19.31 Draw and name the seven aldehydes and ketones with the formula CsH100. Which are chiral?
Which of the following is the distinguishing characteristic between aldehydes and ketones? a. Ketones contain an oxygen atom, while aldehydes do not. b. Aldehydes are more substituted versions of ketones. c. Aldehydes contain an oxygen atom bound directly to a hydrogen atom, while the oxygen atoms in ketones are only bound to carbon atoms. d. Ketones contain a carbonyl group between two carbons, while the carbonyl group in an aldehyde must be attached to a hydrogen.
1. Draw the structural formula for each of the following aldehydes and ketones? Ethyl Methyl Ketone Formaldehyde 4-Hydroxy-2-methyloctanal Propanal Benzaldehyde Upload Choose a File