Which of the following are not state functions? (I) q + w (II) q (III) w (IV) H - TS

NEET 2008 Chemistry question

Which of the following are not state functions? (I) (II) (III) (IV)

(1)(II) and (III)Correct
(2)(I) and (IV)
(3)(II), (III) and (IV)
(4)(I), (II) and (III)

Answer: (1)

Solution

A state function depends only on the initial and final states of the system, not on the path. (I) (first law) is a state function. (IV) (Gibbs free energy) is a state function. (II) heat and (III)

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Question ID VK-089991