Identify the strongest base from following.

Identify the strongest base from following.
  1. $\mathrm{Sm}(\mathrm{OH})_3$
  2. $\mathrm{La}(\mathrm{OH})_3$
  3. $\mathrm{Lu}(\mathrm{OH})_3$
  4. $\operatorname{Pr}(\mathrm{OH})_3$

Solution

In case of Lanthanides as z $\uparrow$, size $\downarrow$ and basic character $\downarrow$

Asked in: MHT CET 2022 (07 Aug Shift 1)

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