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Problem
Incorrect statement is : a.
AlF
3
>
MgO
>
MgF
2
\text{AlF}_3 > \text{MgO} > \text{MgF}_2
AlF
3
>
MgO
>
MgF
2
: Lattice energy b.
Li
>
Na
>
Al
>
Mg
\text{Li} > \text{Na} > \text{Al} > \text{Mg}
Li
>
Na
>
Al
>
Mg
: Electron affinity c.
SF
6
>
PF
5
>
SiF
4
\text{SF}_6 > \text{PF}_5 > \text{SiF}_4
SF
6
>
PF
5
>
SiF
4
: Lewis acidic character d.
SiCl
4
>
SiBr
4
>
SiI
4
\text{SiCl}_4 > \text{SiBr}_4 > \text{SiI}_4
SiCl
4
>
SiBr
4
>
SiI
4
: Decreasing order of electronegativity of Si
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