Question

Alcohols, Aldehydes, and Ketones Report Sheet Q.5 Indicate the test results for each of the following compounds in the iodoform test and in the Benedict's test: lodoform Test Benedict's Test CH.CCH.CH CH,CH CH3CH2CCH,CH, 0 0 CH3CCH.CH Q.6 Two compounds, A and B have the formula of C3H,0. Determine their condensed structural formulas and names using the following test results. a. Compound A forms a red-orange precipitate with Benedict's reagent, but does not react with iodoform. b. Compound B forms a yellow solid in the iodoform test, but does not react with Benedict's reagent. 128

Answer 1

5). Generally aldehydes and ketones given by Iodoform test and only aldehydes by Benedict's test.

From the question all the compounds gives Iodoform test, that gives an yellow colour precipitate.

2nd and 4th compounds can give Benedict's test with a red colour precipitate also as they are aldehydes.

6). A). CH₃CH₂CHO

B). CH₃COCH₃