Question

8. Discuss the results of the Benedict's test. Which compounds gave a positive result, and why? Which gave a negative result, and why? Use your data and the preliminary reading material to help answer this question Use your understanding of the Benedict's test and the iodoform test to answer the following 6. Two compounds have the molecular formula C3H.O.Draw their 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 yellow solid in the iodoform test, but does not react with Benedict's reagent

Answer 1

CH- ch-C-H + qui +300 - Ch. Chycoo talu 4*, a. A Blue which gives Compound B ist boutive Todoform Yes CH-C-CH & Naon + I + 4-4-8 + CHI (Yellow ppt)

Page No.: Page No.: Benedict Test & - It consists of two Solutions. Solution (A) : Cusoy solution & solution (B) : Alkaline solution of are sodium Citrate solution of sodium litrate Aldehydes gives positive test with Benedict solution R-C-4 + 2 h + 300 R-coo + au +24,0 (blue) I (Red aft) Todoform Test : Reagent : Iz + Naou de nada Acetaldehyde, all Methyl ketones & ethyl alcohol a # Test T o R-8-c43 Iz thaon R-C-o Na + chis to the Melloco ppt R-coon I feid of I carbon less) #1616₂ 40 structure — 1- и Propanone син и - L-н Profanal - Acihome I hopanal