Outermost electronic configuration of a group $13$ element, $E$, is $4 \,\mathrm{~s}^{2}, 4 p^{1}$. The electronic configuration of an element of $p$-block period-five placed diagonally to element, $E$ is :
$[\mathrm{Xe}]{5} \mathrm{~d}^{10} 6 \mathrm{~s}^{2} 6 \mathrm{p}^{2}$
$[\mathrm{Kr}] 4 \mathrm{~d}^{10} 5 \mathrm{~s}^{2} 5 \mathrm{p}^{2}$
$[\mathrm{Kr}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^{2} 4 \mathrm{p}^{2}$
$ [Ar]$ $3 d^{10} 4 s^{2} 4 p^{2}$
Write balanced equations for :
$(i)\,B{F_3} + LiH \to $
$(ii)\,{B_2}{H_6} + {H_2}O \to $
$(iii)\,NaH + {B_2}{H_6} \to $
$(iv)\,{H_3}B{O_3}\xrightarrow{\Delta }$
$(v)\,Al + NaOH \to $
$(vi)\,{B_2}{H_6} + N{H_3} \to $
The weakest Lewis acid is
The tendency of $BF_3, BCl_3$ and $BBr_3$ to behave as Lewis acid decreases in the sequence
Electrolytic reduction of alumina to aluminium by Hall-Heroult process is carried out in the presence of
The correct formula of borax is