| Name of folder | Description of clips within folder |
|
| Solid halides and conc sulphuric acid | Solid NaCl, NaBr and NaI plus concentrated sulphuric acid. Evolved gases tested with damp blue litmus paper and a wick soaked in conc. aq. ammonia. |
|
| Thermal decomposition of hydrogen halides | Gaseous HCl,HBr and HI with a hot metal rod. |
|
| Carbonyls and 2,4-dinitrophenylhydrazine | Propanal and propanone with acidified 2,4-dinitrophenylhydrazine solution. |
|
| Cyclohexane, cyclohexene and bromine water | Cyclohexane and cyclohexene and bromine water. |
|
| Phenol solution and bromine water | Phenol solution and bromine water. |
|
| Silver mirror test with propanal and propanone | Propanal and propanone with Tollen's reagent ("the Silver Mirror Test"). |
|
| Transition metal solutions and NaOH solution | Cu2+(aq), Fe2+(aq), Fe3+(aq) and Cr3+(aq) with dilute aqueous sodium hydroxide solution. |
|
| [CuCl4]2-(aq) plus H2O | Green tetrachlorocuprate(II) solution diluted with water until it is blue. |
|
| [CuCl4]2-(aq) plus H2O then NH3(aq) | Yellow tetrachlorocuprate(II) solution diluted with water until light blue and then treated with conc. aq. ammonia. |
|
| Halogen solutions plus hexane | Cl2(aq), Br2(aq), Br2(hexane), I2(aq) plus hexane. |
|
| Alcohols plus acidified potassium dichromate solution | Propan-1-ol (primary alcohol) and 2-methylpropan-2-ol (tertiary alcohol) plus acidified potassium dichromate solution in a bath of warm water. |
|
| Dichromate(VI) plus alkali | Potassium dichromate solution (orange) treated with alkali until it turns yellow. |
|
| Gases with damp blue litmus paper | Cl2, HCl, NH3 and CO2 tested with damp blue litmus paper. |
|
| Gases with damp red litmus paper | Cl2, HCl, NH3 and CO2 tested with damp blue litmus paper. |
|
| Gases with glowing splint | O2, H2, CO2 and air tested with a glowing splint. |
|
| Gases with lit splint | O2, H2, CO2 and air tested with a lit splint. |
|
| Group 2 solutions plus H2SO4 | Mg2+(aq), Ca2+(aq), Sr2+(aq) and Ba2+(aq) plus sulphuric acid. |
|
| Group 2 solutions plus NaOH | Mg2+(aq), Ca2+(aq), Sr2+(aq) and Ba2+(aq) plus sodium hydroxide solution. |
|
| Halide solutions plus AgNO3(aq) then NH3(aq) | NaCl(aq), NaBr(aq) and NaI(aq) plus silver nitrate solution followed by conc. aq. ammonia. |
|
| Halide solutions plus chlorine water then hexane | NaCl(aq), NaBr(aq) and NaI(aq) plus chlorine water followed (if necessary) by hexane. |
|
| Halide solutions plus HNO3(aq) then AgNO3(aq) | NaCl(aq), NaBr(aq) and NaI(aq) plus dilute nitric acid followed by silver nitrate solution. |
|
| Halogenoalkanes plus silver nitrate solution | 1-chlorobutane, 1-bromobutane and 1-iodobutane plus aqueous/ethanolic silver nitrate solution in a bath of warm water. |
|
| Indicators under acid conditions plus alkali | Acidified methyl orange solution and phenolphthalein solution plus alkali. |
|
| Indicators under alkaline conditions plus acid | Alkaline methyl orange solution and phenolphthalein solution plus acid. |
|
| Liquids plus sodium metal then UI | Ethanol, ethanoic acid, ethyl ethanoate and water plus sodium metal followed (if appropriate) by universal indicator solution. |
|
| Period 3 oxides in water plus UI | Solutions (or suspensions) of Na2O, MgO, Al2O3 and SO2 in water plus universal indicator solution. |
|
| UI at various pHs plus acid | Universal indicator solution at pH values of 4, 6, 8, 10 and 12 plus acid. |
|
| UI at various pHs plus alkali | Universal indicator solution at pH values of 4, 6, 8, 10 and 12 plus alkali. |
|
1, "solid_and_gasesous_halides_v1.exe" from www.ferl.org.uk (in preparation).
2, "chem_video_clips_v1.exe" from www.ChemIT.co.uk.
3, "sample_video_clips_v1.exe"
from www.mpdocker.demon.co.uk.
4, video clips available on CD-ROM from www.mpdocker.demon.co.uk.