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Which of the following is least basic?...

Which of the following is least basic?

A

`La(OH)_3`

B

`Ce(OH)_3`

C

`Lu(OH)_3`

D

`Nd(OH)_3`

Text Solution

Verified by Experts

The correct Answer is:
C
La to Lu, ionic radius decreases. Therefore basic strength of hydroxide decreases from La to Lu. Therefore ,`Lu(OH)_3` is least basic
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