JEE Main & Advanced Sample Paper JEE Main - Mock Test - 10

  • question_answer
    Which of the following are not state functions?
    (I) \[q+w\]
    (II) \[q\]
    (III) \[w\]
    (iv) \[H-Ts\]

    A) (I) and (IV)         

    B) (II), (III) and (IV)

    C) (I), (II) and (III)     

    D) (II) and (III)

    Correct Answer: D

    Solution :

    We know that heat (q) and work (w) are not state functions but \[(q+w)\] is a state function. \[H-TS\] (i.e. G) is also a state function. Thus, II and III are not state functions, so, the correct answer is option [d].


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