The P-Block Elements

Ionic nature of \({\mathrm{BeF}}_{2}\)

Covalent nature of \({\mathrm{BeF}}_{2}\)

Greater hydration energy of \({\mathrm{Be}}^{2+}\) ion as compared to its lattice energy

none of these.

\({\mathrm{InI}}_{3}>\mathrm{InI}\)

\(\mathrm{AlCl}>{\mathrm{AlCl}}_{3}\)

\(\mathrm{TlI}>\mathrm{TlI}_3\)

\(\mathrm{TlCl}_3>\mathrm{TlCl}\)

\( \mathrm{B}<\mathrm{Al}<\mathrm{In}<\mathrm{Ga}<\mathrm{Tl} \)

\( \mathrm{B}<\mathrm{Al}<\mathrm{Ga}<\mathrm{In}<\mathrm{Tl} \)

\( \mathrm{B}<\mathrm{Ga}<\mathrm{Al}<\mathrm{Tl}<\mathrm{In} \)

\( \mathrm{B}<\mathrm{Ga}<\mathrm{Al}<\mathrm{In}<\mathrm{Tl} \)

Each carbon atom forms three sigma bonds

The five- membered rings are fused only to sixmembered rings

The six-membered rings are fused to both six and five-memebered rings

It contains 12 six-membered rings and 24 five membered rings

\( \mathrm{SiO}_{2} \)

\( \mathrm{GeO}_{2} \)

\( \mathrm{CO}_{2} \)

\( \mathrm{SnO}_{2} \)

Both Statement I and Statement II are true

Both Statement I and Statement II are false

Statement I is false but Statement II is true

Statement I is true but Statement II is false