1.

Decreasing order of ionic character of Ln (OH0_(3) is

Answer»

`Sm (OH)_(3) gtLu (OH)_(3)gt GD (OH)_(3) gt Tb (OH)_(3)`
`Tb (OH) _(2) gt Gd (OH )_(3) gtLu (OH)_(3) gt Sm (OH)_(3)`
`LU (OH)_(3) gt Sm (OH)_(3) gt Gd (OH)_(3)gt Tb (OH)_(3)`
`Tb (OH) _(3)gt SM(OH)_(3) gt Gd (OH)_(3) gt Tb (OH)_(3)`

Answer :A


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