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AP EAMCET201726 Apr 2017Evening ShiftChemistryThermodynamics (C)Actual

Which one of the following involves decrease in entropy?

Options

  1. A2 NaHCO _ 3(s) Na ₂ CO _ 3(s) + CO _ 2(g) + H ₂ O _ (g)
  2. BCCl _ 4(s) CCl _ 4(l)
  3. CZn _ (s) +2 HCl _ (a q) ZnCl _ 2(a q) + H _ 2(g)
  4. Daligned & CaO _ (s) + CO _ 2(g) CaCO _ 3(s) aligned

Correct answer

D. aligned & CaO _ (s) + CO _ 2(g) CaCO _ 3(s) aligned

Step-by-step solution

No solution. Refer to answer key.

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