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JEE Mains · Chemistry · STD 11 - 5. Thermodynamics and thermochemistry

एक प्रक्रम सभी तापों पर स्वतः होगा यदि

  1. A \(\Delta H < 0\) तथा \(\Delta S < 0\)
  2. B \(\Delta H < 0\) तथा \(\Delta S > 0\)
  3. C \(\Delta H > 0\) तथा \(\Delta S > 0\)
  4. D \(\Delta H > 0\) तथा \(\Delta S < 0\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(\Delta H < 0\) तथा \(\Delta S > 0\)

Step-by-step Solution

Detailed explanation

At constant \(P\) and \(T\) and for the process to be spontaneous we should have \(\Delta G = -ve\) and we know that \(\Delta G = \Delta H - T\Delta S\) If \(\Delta H = -ve\) and \(\Delta S = +ve\) then at all the temperature the process will be spontaneous.
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