Interpretation: the value of for the given reaction is to be identified from the given options.
In Spontaneous process, energy transfer from higher concentration to lower, or the energy is dispersed.
Entropy (S) is the quantity to measure the dispersal of energy in the spontaneous processes.
is the change in entropy at standard condition and it is calculated by sum of the product of stoichiometric coefficients and molar entropies of products minus sum of the product of stoichiometric coefficients and molar entropies of reactants. That is,
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