The change in hybridization of aluminium when `Al_(2)Cl_(6)` decomposes in the gas phase is :

Aluminium oxide, Al_(2)O_(3) is

When Al_(2)Cl_(6) is dissolved in water then

What is the change in hybridization (if any) of the Al atom in the following reaction. AlCl_3 + Cl^(-) to AlCl_4^(-)

Calculate the enthalpy of formation of anhydrous aluminium chloride, Al_(2)Cl_(6) from the following data : (i) 2Al(s) + 6HCl (aq) to Al_(2)Cl_(6) (aq) + 3H_(2)(g), Delta_(r)H^(@) = -1004.0 kJ (ii) H_(2)(g) + Cl_(2)(aq) to 2HCl(g) , Delta_(r)H^(@) = -183.9 kJ , Delta_(r)H^(@) = -183.9 kJ (iii) HCl(g) + aq to HCl(aq), Delta_(r)H^(@) = -73.2 kJ Al_(2)Cl_(6)(s) + aq to Al_(2) Cl_(2)(aq) , Delta_(r)H^(@) = -643.0 kJ

The state of hybridization in the anionic Part of solid Cl_(2)O_(6) is

The state of hybridization in the anionic Part of solid Cl_(2)O_(6) is

The hybridization of the central atom will change when :

The hybridization of the central atom will change when :