Regarding the structure of Al2Cl6 (g) , false statement is
It contains two 3-centered-2-electron bridges
It contains two dative bonds
Al-Clb-Al is 102°
Clb-Al-Clb is 79°
There are no 3-centered-2-electron bridges in Al2Cl6(g). It has two 3-centered-4-electron bridges involving dative bonds.