Which of the following reactions has a positi | vedclass

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(B) Entropy change $(\Delta S)$ is positive when the disorder of the system increases.In the reaction $H_2O_{(s)} 	o H_2O_{(l)}$,the substance change

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$H_2O_{(s)} 	o H_2O_{(l)}$

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(B) Entropy change $(\Delta S)$ is positive when the disorder of the system increases.In the reaction $H_2O_{(s)} 	o H_2O_{(l)}$,the substance changes from a solid state (ordered) to a liquid state (disordered).Since $S_{(liquid)} > S_{(solid)}$,the change in entropy $\Delta S = S_{(liquid)} - S_{(solid)}$ is positive $(+ve)$.In other options,the number of moles of gas decreases or the system becomes more ordered,leading to a negative entropy change.

Which of the following reactions has a positive entropy change?

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