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Standard enthalpies of formation of O(3)...

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:

A

`O_3,CO_2NH_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`

Text Solution

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The correct Answer is:
C
`"Sability " prop ("Heat evolved")/("Heat absorbed")`
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NIKITA PUBLICATION-Chemical Thermodynamics & Energetics-QUESTION FROM COMPETITIVE EXAM
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