1.

AlCl_(3) fumes in moist air because

Answer»

It is very volatile
It is covalent
HCl is formed in moist air
It is HIGHLY hygroscopic

Solution :Anhydrous `AlCl_(3)` FUMES in moist air because of hydrolysis.
`AlCl_(3)+3H_(2)O rarr Al(OH)_(3)+3HCl`
HCl so produced fumes in moist air.


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