The occurrence of a reaction is impossible if

  • A
    $ \Delta H $ is $ +ve $; $ \Delta S $ is also $ +ve $ but $ \Delta H < T \Delta S $
  • B
    $ \Delta H $ is $ -ve $; $ \Delta S $ is also $ -ve $ but $ \Delta H > T \Delta S $
  • C
    $ \Delta H $ is $ -ve $; $ \Delta S $ is $ +ve $
  • D
    $ \Delta H $ is $ +ve $; $ \Delta S $ is $ -ve $

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