The incorrect statement regarding above reactions is

$\mathop {Al}\limits_{metal} \xrightarrow[{(aq.)}]{{HCl}}'X' + Gas\,'P'$

$\mathop {Al}\limits_{metal} \xrightarrow[{ + {H_2}O}]{{NaOH\,(aq.)}}'Y' + Gas\,'Q'$

Lithium aluminium hydride reacts with silicon tetrachloride to form

For the electrolytic refining of aluminium, the three fused layers consist of

The correct statement$(s)$ for orthoboric acid is/are

$(A)$ It behaves as a weak acid in water due to self ionization.

$(B)$ Acidity of its aqueous solution increases upon addition of ethylene glycol.

$(C)$ It has a three dimensional structure due to hydrogen bonding.

$(D)$ It is weak electrolyte in water.

For purification of alumina, the modern processes most useful when $(i)$ the impurity present is a lot of iron oxides and $(ii)$ the impurity present is a lot of silica, are

Boron does not form $B^{3+}$ cation easily. it is due to