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HardChemistry
+4 / -1
Standard enthalpies of formation of O₃, CO₂, NH₃ and HI are 142.2, −393.2, −46.2 and +25.9 kJ mol⁻¹ respectively. The order of their increasing stabilities will be -
A
O₃, CO₂, NH₃, HI
B
CO₂, NH₃, HI, O₃
C
O₃, HI, NH₃, CO₂
D
NH₃, HI, CO₂, O₃

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