In which of the following equations, Delta H ^(0)reaction equals to Delta H _(f) ^(0) for the product ?

In which of the following equations, Delta H ^(0)reaction equals to De

1.	In which of the following equations, Delta H ^(0)reaction equals to Delta H _(f) ^(0) for the product ?
Answer» `2CO _(2 (G)) + O _(2 (g)) to 2 CO _(2 (g))` `N _(2 (g)) + O _(3 (g)) to N _(2 ) O _(3 (g))` `CH _(4 (g)) + 2 C _(2 (g)) to CH _(2) Cl _(2 ) (L) + 2HCL _((g))` `Ce _((g))+ 2 F _(2 (g)) to Ce F _(4 (g))` Answer :D