1.

Explain about the oxidation reaction of Glycerol with different oxidising reagents.

Answer»

Solution :(i) Oxidation of GLYCEROL with dil. `HNO_3` gives glyceric acidand tartronic acid.
(ii) Oxidation of glycerol with Conc. `HNO_3` gives mainly glyceric acid.
(iii) Oxidation of glycerol with bismuth nitrate gives as meso OXALIC acid.
(iv) Oxidation of glycerol with `Br_2//H_2O` (or) NaBr (or) Fenton reagent `(FeSO_4 + H_2O_2)` gives a mixture of glyceraldehyde and DIHYDROXY acetone(GLYCEROSE).
(v) On oxidation with HIO4 or Lead tetra acetate (LTA) it gives formaldehyde and formic acid.
(vi) Acidified `KMnO_4` Oxidises glycerol into oxalicacid.


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