Thermal stability: $\mathrm{H}_2 \mathrm{O}>\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{Te}>\mathrm{H}_2 \mathrm{PO}$

Reducing property: $\mathrm{H}_2 \mathrm{~S}>\mathrm{H}_2 \mathrm{Se}>\mathrm{H}_2 \mathrm{Te}>\mathrm{H}_2 \mathrm{Po}$

Boiling point : $\mathrm{H}_2 \mathrm{~S}<\mathrm{H}_2 \mathrm{Se}<\mathrm{H}_2 \mathrm{Te}<\mathrm{H}_2 \mathrm{O}$

Melting point : $\mathrm{H}_2 \mathrm{~S}<\mathrm{H}_2 \mathrm{Se}<\mathrm{H}_2 \mathrm{Te}<\mathrm{H}_2 \mathrm{O}$

Both Statement I and Statement II are correct.

Both Statement I and Statement II are not correct.

Statement I is correct, but Statement II is not correct.

Statement I is not correct, but Statement II is correct.

$-3,+1$

$+1,-3$

$0,-3$

$+1,+2$

Aluminium dissolves in conc. $\mathrm{HNO}_3$ and liberates $\mathrm{H}_2$ gas

Borazole contains $12 \sigma$ and $3 \pi$ bonds

Gallium oxide is amphoteric in nature

$\mathrm{BF}_3$ is a Lewis acid