KVPY Sample Paper KVPY Stream-SX Model Paper-28

  • question_answer
    \[{{\mathbf{S}}_{\mathbf{1}}}\mathbf{:}\] All adiabatic processes are isentropic processes.
    \[{{\mathbf{S}}_{\mathbf{2}}}\mathbf{:}\] When \[(\Delta {{G}_{system}})T,\]\[P<0;\] the reaction must be exothermic.
    \[{{\mathbf{S}}_{\mathbf{3}}}\mathbf{:}\] Radial nodes can appear when radial probability   distribution   function become zero.

    A) TTF

    B) FFT

    C) TFT

    D) TF

    Correct Answer: B

    Solution :

    Only reversible adiabatic are isoentropic. Endothermic reaction may be spontaneous if \[\Delta S\]is positive.


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