The graph below shows the Potential Energy-Configuration diagram (PEC diagram) f

Question

The graph below shows the Potential Energy-Configuration diagram (PEC diagram) for the dissolution of a polymer B in liquid water. Which of the statements is correct? Potential Energy The effect of temperature on solubility depends on the chemical composition of polymer B The solubility of polymer B in water decreases with increasing temperature The solubility of polymer B in water increases with increasing temperature The solubility of polymer B in water does not change when chafing temperature Number of Configurations

Explanation / Answer

As per the PEC diagram, the mixed state has a higher number of configurations and a higher potential energy. This means that increasing the temperature would increase the solubility of the system.

Therefore, the solubility of polymer B in water increases with increase in temperature. Option C is correct.

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