Anhydrous aluminium chloride fumes in moist air owing to the formation of

In group $13$ of the long form of the periodic table, an element $X$ has a boiling point of $T_2 \ (K)$ and a melting point of $T_1 \ (K)$. Identify the element $X$ for which $T_2 - T_1 \ (K)$ is maximum.

$H_3BO_3$ or $B(OH)_3$ is considered as an acid because its molecule

Which of the following compounds are formed when boron trichloride is treated with water?

Aqueous solution of which of the following boron compounds will be strongly basic in nature?

The correct statement$(s)$ about $B_2H_6$ is/are: