TS EAMCET · Chemistry · Alcohols Phenols and Ethers

During the process of fermentation, the number of moles of ${CO}_{2}$ liberated from one mole to glucose is

A $2$
B $3$
C $4$
D $1$

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Answer & Solution

Correct Answer

(A) $2$

Step-by-step Solution

Detailed explanation

Yeast and certain bacteria perform ethanol fermentation where pyruvate (from glucose metabolism) is broken into ethanol and carbon dioxide. The net chemical equation for the production of ethanol from glucose is: C6H12O6 → 2 C2H5OH + 2 CO2…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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During the process of fermentation, the number of moles of CO2 liberated from one mole to glucose is

Step-by-step Solution

During the process of fermentation, the number of moles of ${CO}_{2}$ liberated from one mole to glucose is