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Standard enthalpies of formation of O3,C...

Standard enthalpies of formation of `O_3,CO_2,NH_3 and ` HI are 142.2 , - 393.2, -46.2 and +25.9 `"kJmol"^(-1)` respectively . The order of their increasing stabilities will be

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`

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The correct Answer is:
C
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