CBSENEETClass 10

What is the process of conversion of sugar into alcohol called?

Answer

The process of conversion of sugar into alcohol is called fermentation.

The working

Name the process

The breakdown of sugar into ethanol and carbon dioxide by the action of enzymes is called fermentation.

Role of enzymes

Enzymes present in yeast, such as invertase and zymase, catalyse the conversion of sugar into alcohol.

Reaction

Glucose is converted as C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂ under anaerobic conditions.

Conditions

It occurs best around 25 to 30 °C in the absence of air to give ethanol and carbon dioxide.

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