Make the reaction equation of the transformation scheme: glucose-ethanol-ethene-carbon dioxide-glucose

Make the reaction equation of the transformation scheme: glucose-ethanol-ethene-carbon dioxide-glucose; Specify the conditions for the occurrence of a chemical reaction.

Let us write down the solution of the transformation chain for organic substances:
С6Н12О6 = 2С2Н5 – ОН + 2СО2 – the reaction of glucose fermentation takes place with the participation of yeast, ethyl alcohol is obtained;
C2H5 – OH = H2O + H2C = CH2 – dehydration of alcohol, ethylene is released;
C2H4 + 3O2 = 2CO2 + 2H2O – combustion of ethylene, carbon dioxide was formed;
6CO2 + 6H2O = C6H12O6 + 6O2 – the process of photosynthesis is possible with the participation of enzymes, glucose is released.
The given reactions show the connection of carbohydrates, alcohols, alkenes and inorganic substances. Glucose is the main nutrient involved in human carbohydrate metabolism.



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