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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.

6.1  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 state function refers to the equilibrium state of a system. A thermodynamic state function is a quantity whose value is independent of path.
Like- $p, V,T$ depends on the state of the system, not on the path.

So, the correct option is (ii)

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