Draw structure of diboren.

Which is correct statement about Borax

Which of the following statement is not correct about diborane?

Explain physical characteristic of group $13$ elements. 

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 $

Which of the following compounds is formed by addition of mineral acid to an aqueous solution of borax ?