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 $

$(i)$ $2 \mathrm{BF}_{3}+6 \mathrm{LiH} \rightarrow \mathrm{B}_{2} \mathrm{H}_{6}+6 \mathrm{LiF}$

$(ii)$ $\mathrm{B}_{2} \mathrm{H}_{6}+6 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{H}_{3} \mathrm{BO}_{3}+6 \mathrm{H}_{2}$

Boric acid

$(iii)$ $2 \mathrm{NaH}+\mathrm{B}_{2} \mathrm{H}_{6} \rightarrow 2 \mathrm{Na}^{+}\left[\mathrm{BH}_{4}\right]^{-}$

Sodium borohydride

$(iv)$ $\mathrm{H}_{3} \mathrm{BO}_{3} \stackrel{\Delta}{\longrightarrow} \mathrm{HBO}_{2}+\mathrm{H}_{2} \mathrm{O}$

Metaboric acid

$4 \mathrm{HBO}_{2} \stackrel{\Delta}{\longrightarrow} \mathrm{H}_{2} \mathrm{~B}_{4} \mathrm{O}_{7} \stackrel{\Delta}{\text { Tetraboric acid }} 2 \mathrm{~B}_{2} \mathrm{O}_{3}+\mathrm{H}_{2} \mathrm{O}$

$(v)$ $2 \mathrm{Al}+2 \mathrm{NaOH}+6 \mathrm{H}_{2} \mathrm{O} \rightarrow+2 \mathrm{Na}^{+}\left[\mathrm{Al}(\mathrm{OH})_{4}\right]^{-}+3 \mathrm{H}_{2}$

$(vi)$ $\mathrm{B}_{2} \mathrm{H}_{6}+2 \mathrm{NH}_{3} \rightarrow 2 \mathrm{BH}_{3} \cdot \mathrm{NH}_{3}$