Which of the following is a state function?

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(C) state function is a property whose value depends only on the state of the system and not on the path taken to reach that state.$Entropy$ $(S)$ is

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Entropy

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(C) state function is a property whose value depends only on the state of the system and not on the path taken to reach that state.$Entropy$ $(S)$ is a well-known state function.Heat of reaction at constant pressure $(q_p = \Delta H)$ and heat of reaction at constant volume $(q_v = \Delta U)$ are path functions because they depend on the process,not just the state.Therefore,only $Entropy$ is a state function.

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