Chemical Thermodynamics · JEE Main previous year questions

2012 2 questions

1. Q642012 · 12 May 2012 · Shift 1

   Which among the following elements has the highest first ionization enthalpy?

   1. A.Nitrogen
   2. B.Boron
   3. C.Carbon
   4. D.Oxygen
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   Answer: A

2. Q652012 · 7 May 2012 · Shift 1

   The entropy of a sample of a certain substance increases by $0.836\mathrm{J}{\mathrm{K}}^{-1}$ on adding reversibly 0.3344 J of heat at constant temperature. The temperature of the sample is:

   1. A.2.5 K
   2. B.0.3 K
   3. C.0.016 K
   4. D.0.4 K
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   Answer: D