Question
Write Clemmenson's reduction reaction of propanone. Write Fehling solution test for ethanal.
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Explain the thermal stability of hydrogen halides.
Determine whether the reactions with the following $\Delta H$ and $\Delta S$ values are spontaneous or nonspontaneous. State whether they are exothermic or endothermic.
(a) $\Delta H =-110 kJ$ and $\Delta S =+40 JK ^{-1}$ at $400 K$
(b) $\Delta H =+50 kJ$ and $\Delta S =-130 JK ^{-1}$ at $250 K$.
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(b) $\Delta H =+50 kJ$ and $\Delta S =-130 JK ^{-1}$ at $250 K$.
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