# Choose the correct answer. A thermodynamic state function is a quantity

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Choose the correct answer. A thermodynamic state function is a quantity

(i) used to determine heat changes

(ii)whose value is independent of path

(iii) used to determine pressure volume work

(iv) whose value depends on temperature only

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A thermodynamic state function is a quantity whose value is independent of a path.

Functions like p, V, T etc. depend only on the state of a system and not on the path.

Hence, alternative (ii) is correct.