Conc. $HN{O_3}$
Reacts with aluminium vigrously
Reacts with aluminium to form aluminium nitrate
Does not react with aluminium
Reacts with platinum
${H_3}B{O_3}\,\xrightarrow{{{T_1}}}X\,\xrightarrow{{{T_2}}}Y\,\xrightarrow{{\operatorname{Re} d\,\,\,hot}}{B_2}{O_3}$
if $T_1 < T_2$ then $X$ and $Y$ respectively are
$N{a_2}{B_4}{O_7}.10{H_2}O\xrightarrow{{Heat}}X + NaB{O_2} + {H_2}O,X + C{r_2}{O_3}\xrightarrow{{Heat}}\mathop Y\limits_{\left( {Green\,coloured} \right)} $ $X$ and $Y$ are
Which of the following is not true about potash alum
Describe the shapes of $BF $$_{3}$ and $BH _{4}^{-}$. Assign the hybridisation of boron in these species.
$Al$ having double conductivity as compared to which metal ?