Question | Answer |
What is the mobile Phase in TLC? | Solvent (Normally alcohol) |
What is the mobile Phase in Gas Chromatography? | Inert Gas (Helium) |
How does separation occur in Chromatography? | Solid mobile phase - Adsorption Liquid mobile phase - Solubility |
What is Retention factor? | (Distance moved by Component)/(distance moved by solvent front) |
Why is TMS used in NMR? | 1 Environment - one peak Many protons - sharp peak |
How do you remove the OH peak from an NMR spectrum? | Add Deuterium, and shake, then repeat. |
Oxidation of propane-1-ol will form what? | propanal (distillation) Propanoic acid (reflux) |
oxidation of propane-2-ol will form what? | propanone (reflux) |
reduction of butanoic acid will form? | butanol |
The joining of ethanol and octanoic acid, with a small molecule of water removed, is? | esterification - it will form ethyl octanoate. |
Carbonyl compounds produce what, when added to 2,4 - DNPH? | Orange Precipitate |
What are the reagents for nitration of benzene? | HNO3 and H2SO4 conditions: 50 degrees celcius |
What are the reagents for diazotisation? | NaNO2 and HCl (HONO) Below 10 degrees celcius |
How do you turn diazonium chloride into an azodye? | add phenol and NaOH, the Na removes the Cl, and the Phenol adds to the salt. |
What is the most reactive halogen? | fluorine |