MCQ
$HN{O_3}$ in liquid hydrogen fluoride behaves
- AAs an acid
- ✓As a base
- CNeither as a base nor as an acid
- DAs a base and as an acid
$2 HF \rightleftharpoons\left[ H _2 F \right]^{+}+ F ^{-}$
$HNO _3$ act as base on dissolution in $HF$ as they accept proton from $HF$, reaction,
$HNO _3+ HF \rightleftharpoons H _2 NO _3^{+}+ F ^{-}$
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$2S{O_2} + {O_2}$ $\rightleftharpoons$ $2S{O_3};\,\,\Delta H = - 45.2\,kcal$ Which of the following factors favours the formation of $S{O_3}$