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NEET Sample Paper NEET Sample Test Paper-39

  • question_answer
    Identify the correct statement for change of Gibbs energy for a system\[(\Delta {{G}_{system}})\] at constant temperature and pressure:

    A)  if \[\Delta {{G}_{system}}=0,\] the system is still moving in a particular direction

    B)  if\[\Delta {{G}_{system}}=-ve,\]not spontaneous

    C)  if \[\Delta {{G}_{system}}=+ve,\]the Process is spontaneous

    D)  if \[\Delta {{G}_{system}}=0,\]the system has attained equilibrium

    Correct Answer: D

    Solution :

    \[\Delta {{G}_{system}}=-ve,\]the system is spontaneous;\[\Delta {{G}_{system}}=0,\]the system has attained equilibrium \[\Delta G=+ve,\]the system is nonspontaneous.


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