Which of the following statement is in correct.

• A

  ${\mathrm{AlCl}}_3$ on hydrolysis in water form tetrahedral ${\left[\mathrm{Al}{\left(\mathrm{OH}\right)}_4\right]}^{-}$ ion

• B

  $\text{ Aqueous acidified solution of }{\mathrm{AlCl}}_3\text{ form octahedral }{\left[\mathrm{Al}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{+3}\text{ ion }$

• C

  $\mathrm{Al}\text{ has }{\mathrm{Sp}}^3\text{ Hybridization In }{\left[\mathrm{Al}(\mathrm{OH}{)}_4\right]}^{-}\text{lon and }{\mathrm{Sp}}^3{\mathrm{d}}^2\text{ Hybridization In }$${\left[\mathrm{Al}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{3+}$Ion

• D

  $\text{ The Hybridization of }\mathrm{Alln}{\mathrm{Al}}_2{\mathrm{Cl}}_6\text{ is }{\mathrm{Sp}}^2$