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Predict the sign of entropy change in th...

Predict the sign of entropy change in the following reactions.
i) `O_2(g)+2 SO_2(g) rarr 2 SO_3(g)`
ii) `2 H_2(g)+O_2(g) rarr 2 H_2 O(g)`

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i) .Delta S. is -ve
ii) .Delta S. is .-ve^circ.
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