Standard enthalpies of formation of `O_(3),CO_(3),NH_(3) and HI` are 142.2,-383.2,-46.2 and +25.9kJ `mol^(-1)` respectively. The order of their increasing stabilities will be:

Options

A. `O_(3),CO_(2), NH_(3),HI`
B. `CO_(2),NH_(3),HI,O_(3)`
C. `O_(3),HI,NH_(3),CO_(2)`
D. `NH_(3),HI,CO_(2),O_(3)`

Answer

C

Explanation

Energy absrobed `prop 1/("stability of compound")`
Energy released `prop` stability of compound
Thus, the order of stability is
`142.2gt25.9gt-46.2gt-393.2`
i.e.`O_(3)gtHigtNH_(3)gtCO_(2)`