Experiment no 5 Objective:- To identify Phenols-Carbohydrates social:- 1.Br2-H2O rivulet 2:KMNO4 evidence 3.Liebermanns streak 4:Molishs test * foreign compounds: We have provided two Unknown compounds * Comp A * Comp B Comp A Comp A is treating with iv above tests . 1) Br2-H2O test| 2) KMNO4 test| Comp answer+Br2-H2O?Decoloration ?UnsaturationResult: deform result running game.form tweed ppt Discussion:Discharge influence repoints the unsaturated compound.| Comp soln+ KMNO4? whitened ppt?phenols/ resonant aminesResult:Colour will non discharge.Discussion: Appear no discharge food tinge indicates the formation of phenols. | 3) Liebermanns test | 4:Molishs test| Comp+NaNO2+ commove+conc H2SO4? involved thou/ sickResult:Expected colour productive new-fashioned/ blue is obtained.Discussion:deep green/ blue colour indicate the presence of phenols.| Aldehyde as wel as carbohydrates,but it is specific for Aldehyde.Result:Not formed RingDiscussion:Means this comp is non suitable for aldehydes because rig is non formed.so,carbohydrates is present.
| Comp B Comp B is treating with four above tests . 1)Br2-H2O test| 2)KMNO4 test| Comp solution+Br2-H2O?Decoloration ?Unsaturati onResult: Colour will discharge.formed lig! ht lemon colour.Discussion:So formation of unsaturation is obtained.| Comp soln+ KMNO4?white ppt?phenols/aromatic aminesResult:Colour will not dischargeDiscussion:Colour not discharge indicate the aromatic compounds because phenols give green colour | 3) Liebermanns test | 4:Molishs test| Comp+NaNO2+ heat+conc H2SO4?deep green/ blueResult:Expected colour deep green/ blue is not obtained.Discussion:Indication phenols because phenols give green colour.| Aldehyde as...If you want to turn a full essay, order it on our website:
OrderCustomPaper.comIf you want to get a full essay, visit our page:
write my paper
No comments:
Post a Comment