MCQ
Lewis has pictured the atom in terms of kernel and the outermost shell that could accommodate a maximum of :
- A$6$ electrons.
- B$10$ electrons.
- ✓$8$ electrons.
- D$2$ electrons.
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$(a)$ Polarising power of cation
$(b)$ Extent of distortion of anion
$(c)$ Polarisability of the anion
$(d)$ Polarising power of anion
[Given : $pKa$ (acetic acid) $=4.74$ ]
(figure) $ + \xrightarrow[{{H_2}O}]{{B{r_2}}}$ ?

$XeF_6 + H_2O \rightleftharpoons XeOF_4 + 2HF, \,\,\,\,K_1$
$XeO_4 + XeF_6 \rightleftharpoons XeOF_4 + XeO_3F_2,\,\,\,\, K_2$
The equilibrium constant for the reaction
$XeO_4 + 2HF \rightleftharpoons XeO_3F_2 + H_2O$ will be