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Oxidation States of Lanthanides

Which of them...

Question

Which of them is a characteristic of lanthanides?

A

Dissolve in hot water

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B

React with acids

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C

React with other non-metals

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D

Are non-metals

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Solution

The correct options are
A Dissolve in hot water
B React with acids
C React with other non-metals
lanthanides are basic in nature , usually it shows $+ 3$ oxidation state. So it dissolves in hot water forming their hydroxide ,reacts with acid ,as well as other nonmetals.
Hence correct answers are A,B,C.

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