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Silicotungstic acid or
tungstosilicic acid is a
heteropoly acid with the
chemical formula H4[SiW12O40]. It
forms hydrates H4[SiW12O40]·nH2O. In freshly...
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catalysts are zeolites, i.e.
solid acid catalysts, and
sulfuric acid.
Silicotungstic acid is used to
manufacture ethyl acetate by the
alkylation of acetic...
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acetaldehyde in the
presence of an
alkoxide catalyst: 2 CH3CHO → CH3CO2CH2CH3
Silicotungstic acid is used to
manufacture ethyl acetate by the
alkylation of acetic...
-
Acrylic acid is
generated from propene.
Oxidation of
ethene using silicotungstic acid catalyst. Base-catalyzed
dehydrogenation of alcohols. Carbonylation...
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supported on a
heteropoly acid such as
silicotungstic acid. A
similar process uses the same
metal catalyst on
silicotungstic acid and silica: C2H4 + O2 → CH3CO2H...
- form,
whereas homopolymetalates typically cannot.
Examples include:
Silicotungstic acid, H4SiW12O40·nH2O
Phosphomolybdic acid, H3Mo12PO40·nH2O Phosphotungstic...
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coordination compounds ideas of Copaux,
attempted to
explain the
structure of
silicotungstic acid. He ****umed a
central group, [SiO4]4− ion,
enclosed by four [RW2O6]+...
- acid, and oxygen: 2 H2C=CH2 + 2 CH3CO2H + O2 → 2 CH3CO2CH=CH2 + 2 H2O
Silicotungstic acid is used to
manufacture ethyl acetate by the
alkylation of acetic...
-
alkylation ester industrial process:
alkene alkylating carboxylic acid with
silicotungstic acid the catalyst.
Sharpless bishydroxylation diols oxidation, reagent:...
- chloroplatinate, and the silicotungstate. It also
coprecipitates with
silicotungstic acid, and with
perchloric acid,
without another alkali metal as a carrier...
