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The species which by definition has zero...

The species which by definition has zero standard molar enthalpy of formation at `298K` is

A

`Br_(2)(g)`

B

`Cl_(2)(g)`

C

`H_(2)O(g)`

D

`CH_(4)(g)`

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaH_(F)^(@) (Cl_(2),g) = 0 , "As" DeltaH_(F)^(@)` of elements in their standard state is taken to be zero.
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