Which of the following statements about anhydrous aluminium chloride are correct?

CHEMISTRY · Multi correct

Problem

Which of the following statements about anhydrous aluminium chloride are correct? (1) It can exist as an

\text{AlCl}_3

molecule in vapour. (2) It is a strong Lewis base. (3) It sublimes at

180^\circ\text{C}

under vacuum. (4) It is not easily hydrolysed.