Chem 4 exam questions 1.0 / 5 based on 1 rating ? ChemistryEverythingA2/A-levelAQA Created by: BeatitCreated on: 18-05-14 22:25 How could you show that atenolol produced was a racemate and not a single enantiomer? 1. Plane polarised light 2. Plane polarised light would not be rotated 1 of 5 How racemic mixture is formed? 1. Planar C=O 2. Equal probability of attack from above or below. 2 of 5 Why pH of Acidic solution remains almost the same when NaOH added? 1. Added OH- is removed by reaction with H+. 2. Position of equilibrium shifts to the right HX eq,sign H+ + X- 3 of 5 Method separating mixtures Chromatography 4 of 5 Why chromatography able to separate a mixture of compounds? 1. Mobile phase 2. Stationary phase. 3. Different adsorption 5 of 5
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