MCQ
Which one does not exist ?
- A$[CCl_6]^{-2}$
- ✓$[SiF_6]^{-2}$
- C$[GeF_6]^{-2}$
- D$[SnCl_6]^{-2}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $I$ | Column $II$ |
| $(A)$ $Image$ | $(p)$ Racemic mixture |
| $(B)$ $Image$ | $(q)$ Addition reaction |
| $(C)$ $Image$ | $(r)$ Substitution reaction |
| $(D)$ $Image$ | $(s)$ Coupling reaction |
| $(t)$ Carbocation intermediate |


| $ClO_4^{-}$ | $IO_4^{-}$ | $BrO_4^{-}$ |
| $E^{\circ}=1.19 V$ | $E^{\circ}=1.65 V$ | $E^{\circ}=1.74 V$ |
The correct order of their oxidising power is: