JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Sample Paper Topic Test - Thermo Chemistry (Thermodynamics)

  • question_answer
    Select the incorrect option about spontaneous exothermic reaction.

    A) \[\Delta {{S}_{surr}}=+ve\]

    B) \[\Delta {{S}_{Overall}}=+ve\]

    C) \[\Delta {{S}_{System}}may=-ve\]

    D) \[\Delta {{S}_{System}}=+ve\,\,\text{always}\]

    Correct Answer: D

    Solution :

    [d] For spontaneous process \[\Delta {{S}_{uni}}=\Delta {{S}_{sys}}+\Delta {{S}_{surr}}>0\]


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