1.

When Al_2O_3 is reacted with aqueous solution of HCl gives..........complex.

Answer»

`[AlCH_(2)O_(2)]^(2+)`
`[AL(H_(2)O)_(4)]^(3+)`
`[Al(H_(2)O)_(6)]^(2+)`
`[AlH_(2)O)_(6)]^(3+)`

Solution :`Al_(2)O_(3)(s) + 6HCL(aq) + 9H_(2)O to 2[Al(H_(2)O)_(6)]_(aq)^(3+) + 6Cl^(-)`


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