1.

Give the correct order of stability is shown by : (P) [Al(H_(2)O)_(6)]Cl_(3) (Q) [Al(H_(2)O)_(5)Cl]Cl_(2).H_(2)O (R ) [Al(H_(2)O)_(4)Cl_(2)]Cl.2H_(2)O (S) [Al(H_(2)O)_(3)Cl_(3)].3H_(2)O

Answer»

`PltQltRltS`
`PgtRgtQgtS`
`PgtQgtRgtS`
`PgtQgtSgtR`

SOLUTION :ACCORDING to Spectro-chemical series, `H_(2)O` is a STRONG field ligand compared to Cl.
`[Al(H_(2)O)_(6)]Cl_(3)overset("water") to [Al(H_(2)O)_(6)]^(3+)+3Cl^(-)`


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