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\mathrm{Lu}(\mathrm{OH})_3 dissolve in hot \mathrm{NaOH} but \mathrm{Ce}(\mathrm{OH})_3 does not. Why?

Option: 1

\mathrm{Lu}(\mathrm{OH})_3 is more basic.
 


Option: 2

\mathrm{Lu}(\mathrm{OH})_3 is less basic.
 


Option: 3

\mathrm{Ce}(\mathrm{OH})_3 is more acidic.
 


Option: 4

\mathrm{Ce}(\mathrm{OH})_3 is amphoteric.


Answers (1)

best_answer

\mathrm{Lu}(\mathrm{OH})_3 is less basic and a weak base. So it dissolves in hot \mathrm{NaOH} but \mathrm{Ce}(\mathrm{OH})_3 is a strong base and does not easily dissolve in hot \mathrm{NaOH}.

Posted by

Suraj Bhandari

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