Two similar reactions are given below `:` `H_(2)(g) + (1)/(2)O_(2)(g) rarr H_(2)O(g), DeltaH = = DeltaH_(1)` `H_(2)(g)+(1)/(2) O_(2)(g) rarr H_(2)O(l), DeltaH= DeltaH_(2)` In terms of magnitude of `DeltaH`,A. `DeltaH_(1) gt DeltaH_(2)`B. `DeltaH_(1) lt DeltaH_(2)`C. `DeltaH_(1) = DeltaH _(2)`D. None of these is correct

Two similar reactions are given below `:` `H_(2)(g) + (1)/(2)O_(2)(g)

1.	Two similar reactions are given below `:` `H_(2)(g) + (1)/(2)O_(2)(g) rarr H_(2)O(g), DeltaH = = DeltaH_(1)` `H_(2)(g)+(1)/(2) O_(2)(g) rarr H_(2)O(l), DeltaH= DeltaH_(2)` In terms of magnitude of `DeltaH`,A. `DeltaH_(1) gt DeltaH_(2)`B. `DeltaH_(1) lt DeltaH_(2)`C. `DeltaH_(1) = DeltaH _(2)`D. None of these is correct
Answer» Correct Answer - b `DeltaH_(2) gt DeltaH_(1)` because when `H_(2)O(g)` consdenseto`H_(2)O(l)`, heat of condensation is evolved.Hence, `DeltaH_(1) ltDeltaH_(2)`.

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