The element that has the least metallic character is ..........

In diborane,the $H-B-H$ bond angle is $120^o$. The hybridization of boron is likely to be

Write balanced chemical equations for the following reactions:
$(i)$ $BF_3 + LiH \rightarrow$
$(ii)$ $B_2H_6 + H_2O \rightarrow$
$(iii)$ $NaH + B_2H_6 \rightarrow$
$(iv)$ $H_3BO_3 \xrightarrow{\Delta}$
$(v)$ $Al + NaOH \rightarrow$
$(vi)$ $B_2H_6 + NH_3 \rightarrow$

Which of the following statements is correct?

Aluminium $(III)$ chloride forms a dimer because ........

Write the chemical reaction to prepare inorganic benzene $(B_3N_3H_6)$.