For which one of the following equations is `Delta_(r) H^(@)` equal to `Delta_(f) H^(@)` for the products (s)?A. `2CO(g) + O_(2) (g) rarr 2CO_(2)(g)`B. `N_(2) (g) + O_(3) (g) rarr N_(2) O_(3) (g)`C. `CH_(4) (g) + 2Cl_(2) (g) rarr CH_(2) Cl_(2) (1) + 2HCl(g)`D. `Xe (g) + 2 F_(2) (g) rarr Xe F_(4) (g)`

For which one of the following equations is `Delta_(r) H^(@)` equal to

1.	For which one of the following equations is `Delta_(r) H^(@)` equal to `Delta_(f) H^(@)` for the products (s)?A. `2CO(g) + O_(2) (g) rarr 2CO_(2)(g)`B. `N_(2) (g) + O_(3) (g) rarr N_(2) O_(3) (g)`C. `CH_(4) (g) + 2Cl_(2) (g) rarr CH_(2) Cl_(2) (1) + 2HCl(g)`D. `Xe (g) + 2 F_(2) (g) rarr Xe F_(4) (g)`
Answer» Correct Answer - D `Delta_(r) H^(@)` is equal to `Delta_(f) H^(@)` if during the reaction, one mole of the compound `(XeF_(4))` is synthersized from its elements `(Xe` and `F_(2))` in their standard states.

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