Respuesta :
The increasing order of standard molar entropy (S°) is as follow:
ribose ( C₅H₁₀O₅ ) < Glucose (C₆H₁₂O₆) < sucrose ( C₁₂H₂₂O₁₁ )
What is Entropy?
Entropy is defined as the randomness of the particle. It depends on temperature and pressure or number of particle per unit volume.
It is directly proportional to the temperature and pressure of the gas.
What is Standard Molar Entropy?
The standard molar entropy is defined as the entropy content of the one mole of pure substance at the standard state of temperature and pressure of interest.
The standard molar entropy is also defined as the total amount of entropy which 1 mole of the substance acquire, as it is brought from 0K to standard conditions of temperature and pressure.
The standard molar entropy depends on the molas mass of atom, molecules or compound.
ribose ( C₅H₁₀O₅ ) has lower standard molar entropy. Due to less complexity of this molecules.
While, complexity increases from Glucose (C₆H₁₂O₆) to sucrose ( C₁₂H₂₂O₁₁ ). Therefore, the standard molar entropy of sucrose ( C₁₂H₂₂O₁₁ ) is greater than Glucose (C₆H₁₂O₆).
Thus, we concluded that the increasing order of standard molar entropy (S°) is as follow:
ribose ( C₅H₁₀O₅ ) < Glucose (C₆H₁₂O₆) < sucrose ( C₁₂H₂₂O₁₁ )
learn more about standard molar entropy:
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