MCQ
Most stable complex ion is
- A$[Fe(Cl_6)]^{-3}$
- ✓$[Fe(CN)_6]^{-3}$
- C$[Fe(CN)_6]^{-4}$
- D$[Fe(H_2O)_6]^{+3}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\mathrm{PF}_5, \mathrm{BrF}_5, \mathrm{PCl}_5,\left[\mathrm{PtCl}_4\right]^{2-}, \mathrm{BF}_3, \mathrm{Fe}(\mathrm{CO})_5$
$(A)$ Sulphanilic acid $(B)$ Picric acid $(C)$ Aspirin $(D)$ Ascorbic acid

If $\Delta H^o = 25\,kcal/mol$ and $\Delta S^o = 50\,cal/K,$ at what temperature equilibrium will be established in the container. (Ignore variation of $\Delta H^o$ and $\Delta S^o$ with temperature.).......$K$