MCQ
$AgF, AgCl, NaCl, NaBr, NaI$ are colourless but $AgBr$ and $AgI$ are coloured because
- ✓$Ag^+$ polarises $Br^-$ and $I^-$ and not able to polarise $Cl^-$ and $F^-$
- B$AgBr$ has unpaired electron
- C$AgBr$ has defects
- DAll of these
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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 $S{O_3}$