Oxidation state and covalency of Al in ${\left[\mathrm{AlCl}{\left({\mathrm{H}}_2\mathrm{O}\right)}_5\right]}^{+2}$ are

${\left[\mathrm{AlCl}{\left({\mathrm{H}}_2\mathrm{O}\right)}_5\right]}^{+2}$  its coordination number is 6 (covalency=number of bonds around Al), oxidation state of Al is +3