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  1. Entropy is a/an

    2. A.

     State function
    B.

     Macroscopic property
    C.

     Extensive property
    D.

     None of these

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    Answer : Option D

    Explanation :

    Since entropy is obviously a point or state function by its definition itself.
    If we see the following steps on how we arrived to entropy it will be clear that entropy is a state function:
    For, reversible heat engines working under same thermal reservoirs since,
    ∮∂QT=0⇒δQT=dS
    Since, δQT   is a path independent quantity we designated it as a property which is nothing but entropy.

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