1.

The correct order of oxidising property of Ln ^(4+) ion is

Answer»

`DY gt Tb gt Nd gt PR gt Ce `
`Dy gt Nd gt Pr gt Tb gt Ce `
`Dy gt N d gt Tbgt Ce gt Pr`
`Nd gt Dy gt Tb gt Pr gt Ce `

Solution :Oxidising PROPERTY of `Tb ^(4+)` is less due to stable `4f^(7)` CONFIGURATION


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