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The standard enthalpies of formation of ...

The standard enthalpies of formation of `A(NH_(3)),B(CO_(2)),C(HI) and D(SO_(2))` are respectively -46.19,-393.4, +24.94 and -296.9 kJ `mol^(-1)`. The increasing order of their stability is

A

`Blt D lt A lt C`

B

`C lt A lt D lt B`

C

`D lt B lt C ltA`

D

` A lt C lt D lt B`

Text Solution

Verified by Experts

The correct Answer is:
b
More`-ve` is`Delta_(f)H^(@)` ,greateris the stability.
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