alb10653081
Oxidation of alcohols
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Title:
Oxidation of alcohols
Caption:
Oxidation of alcohols. Oxidation of a primary and secondary alcohols by potassium dichromate (VI) (K2Cr2O7). In the process chromium is reduced from +6 oxidation state to +3 oxidation state. This is physically observed as a colour change from orange to green to blue. Here 0.4 mL of 0.23M solution of potassium dichromate acidified with sulfuric acid (H2SO4) was added to two test tubes each containing 6.5 mL of ethanol (centre, C2H5OH) and isopropanol (right, C3H7OH). Ethanol is a primary alcohol and isopropanol is a secondary alcohol. A test tube with 0.25 M solution of potassium dichromate (VI) (left, orange) is included as a reference.
Credit:
Album / Science Source / GIPhotoStock
Releases:
Model: No - Property: No
Rights questions?
Rights questions?
Image size:
5158 x 3420 px | 50.5 MB
Print size:
43.7 x 29.0 cm | 17.2 x 11.4 in (300 dpi)
Keywords:
2-PROH • ACID • ALCOHOL • C2H5OH • C2H6O • C3H7OH • C3H8O • CARBOXYLIC • CH3CHOHCH3 • CHEMICAL • CHEMISTRY • DICHROMATE • ETHANOL • ETHYL • ETOH • I-PROH • ISOPROPANOL • ISOPROPYL • K2CR2O7 • METHANOIC • OXIDATION • POTASSIUM • PRIMARY • PROPANOL • REACTION • REDOX • RÉDUCTION • SALT • SECONDARY • SOLUTION • STATE • TEST • TUBE
