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Preparations and Uses of Caustic Soda

4 Is change i...

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4 Is change in entropy for the conversion of o2 to o3 is negative?

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For oxidation of iron,

4 F e (s) + {3 O}_{2} (g) \to 2 {F e}_{2} O_{3} (s)

entropy change is - 549.4

{J K}^{- 1} {m o l}^{- 1}

at 298 K. In spite of negative entropy change of this reaction, why is the reaction spontaneous?

△, H^{⊝}

for this reaction is

- 1648 \times 10^{3} J {m o l}^{- 1}

)

Q. Change in entropy is negative for:

Q. For which of the following the entropy change is negative?

Q. For endothermic reaction when a change in entropy is negative, then the reaction is:

Q. In which case is the change in entropy negative?

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Preparations and Uses of Caustic Soda

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