How to prepare formaldehyde using methanol?
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Explanation:
Methanol is converted into formaldehyde by catalytic vapor phase oxidation over a metal oxide catalyst. In one variation of the process methanol is vaporized, mixed with air, and then passed over the catalyst at 300–600 °C. The formaldehyde produced is absorbed in water and then fed to a fractionating column.
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Answer:
CH3OH + CrO3 -----> HCHO
Explanation:
When any 1° alcohol is oxidized in the presence of CrO3 it give aldehyde group.
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