During fermentation of sugar, the compound which is always

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During fermentation of sugar, the compound which is always formed is :

1. Methyl Alcohol
2. Ethyl Alcohol
3. Acetic Acid
4. Ethylene

Correct Option: B

Fermentation is the conversion of sugar into carbon dioxide gas (CO₂) and ethyl alcohol. This process is carried out by yeast cells using a range of enzymes. The overall process of fermentation is to convert glucose sugar (C₆H₁₂O₆) to alcohol (CH₃CH₂OH) and carbon dioxide gas (CO₂).
C₆H₁₂2O₆ → 2 C₂H₅OH + 2 CO₂+ Energy (which is stored in ATP).