1.

For which of the following reactions, Delta S is not positive ?

Answer»

`I_(2)(s) rarr I_(2)(g)`
`CUO(s) + H_(2)(g) rarr CU(s) + H_(2)O(L)`
`2O_(3)(g) rarr 3O_(2)(g)`
`CH_(4)(g) + 2O_(2)(g) rarr CO_(2)(g) + H_(2)O(g)`

Answer :B


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