The number of $2-$ centre $-2-$ electron and $3-$ centre $-2-$ electron bonds in $B_2H_6$, respectively, are
$2$ and $1$
$4$ and $2$
$2$ and $2$
$2$ and $4$
The number of neutrons present in the more abundant isotope of boron is ' $\mathrm{x}$ '. Amorphous boron upon heating with air forms a product, in which the oxidation state of boron is ' $y$ '. The value of $x+y$ is ...
Anhydrous $AlCl_3$ is formed in
Mention isotops of boron.
The possible oxidation state of $Tl$ are
The incorrect statement regarding $'X'$ in given reaction is $B{F_3} + LiAl{H_4}\xrightarrow{{Ether}}\left( X \right) + LiF + Al{F_3}$