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Question

Chemistry Question on Spontaneity

Choose the reaction with negative Δ\DeltaS value

A

2NaHCO3(s)→Na2CO3(s)+CO2(s)+H2Og2NaHCO_{3\left(s\right) } \rightarrow Na_{2}CO_{3\left(s\right)} +CO_{2\left(s\right)} +H_{2}O_{g}

B

CI2(g)→2CI(g)CI_{2\left(g\right)} \rightarrow 2CI_{\left(g\right)}

C

2SO2(g)+O2(g)→2SO3(g)2SO_{2\left(g\right)} +O_{2\left(g\right)} \rightarrow 2SO_{3\left(g\right)}

D

2KCIO3(g)+2KCI(s)+3O2(g)2KCIO_{3\left(g\right)} +2KCI_{\left(s\right)} +3O_{2\left(g\right)}

Answer

2SO2(g)+O2(g)→2SO3(g)2SO_{2\left(g\right)} +O_{2\left(g\right)} \rightarrow 2SO_{3\left(g\right)}

Explanation

Solution

Answer (c) 2SO2(g)+O2(g)→2SO3(g)2SO_{2\left(g\right)} +O_{2\left(g\right)} \rightarrow 2SO_{3\left(g\right)}