When $Al$ is added to $KOH$ solution,what happens?

The reactivity of borazole is higher than that of benzene because ...

Select the incorrect statement:
$a$. $PCl_5$ forms a weak monobasic acid during hydrolysis.
$b$. In $B_3N_3H_6$,nucleophilic attack occurs on the $B$ atom.
$c$. $Al_2Cl_6$ is a polar and planar molecule.
$d$. In $AlF_3$,the hybridization of $Al$ is $sp^2$.

Write the preparation of diborane and describe its physical and chemical properties.

Discuss the pattern of variation in the oxidation states of $(i)$ $B$ to $Tl$ and $(ii)$ $C$ to $Pb$.

Which of the following is true for an element in group $13$ of the periodic table?