MCQ
The molecule has $sp^3d^2$, hybridisation and square planar shape
- A$SF_4$
- B$BF_4^-$
- ✓$ICl_4^-$
- D$XeO_2F_2$
| Chemical species | Hybridisation of central atom |
| $ICl _2^{-}$ | $sp ^3 d$ |
| $IF _6^{-}$ | $sp ^3 d ^3$ |
| $ICl _4^{-}$ | $sp ^3 d ^2$ |
| $BrF _2^{-}$ | $sp ^3 d$ |
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$(A)$ Ethane-$1\ 2$-diamine is a chelating ligand.
$(B)$ Metallic aluminium is produced by elecrtrolysis of aluminium oxide in presence of cryolite.
$(C)$ Cyanide ion is used as ligand for leaching of silver.
$(D)$ Phosphine act as a ligand in Wilkinson catalyst.
$(E)$ The stability constants of $\mathrm{Ca}^{2+}$ and $\mathrm{Mg}^{2+}$ are similar with $EDTA$ complexes.
Choose the correct answer from the options given below:
$(A)$ $\mathrm{Bi}_2 \mathrm{O}_5$ is more basic than $\mathrm{N}_2 \mathrm{O}_5$
$(B)$ $\mathrm{NF}_3$ is more covalent than $\mathrm{BiF}_3$
$(C)$ $\mathrm{PH}_3$ boils at lower temperature than $\mathrm{NH}_3$
$(D)$ The $\mathrm{N}-\mathrm{N}$ single bond is stronger than the $P-P$ single bond