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Oxidation States of Lanthanides

Which of the ...

Question

Which of the following metals is used in ceramic applications?

A

Cerium

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B

Neodymium

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C

Praseodymium

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D

None of these

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Solution

The correct options are
A Cerium
C Praseodymium
$C e (I I I)$ and $C e (I V)$ oxides find use in glass polishing powders whereas $N d$ and $P r$ oxides are extensively used in colouring glass and in the production of standard light filters.
All the given metals are used in ceramic applications.

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Oxidation States of Lanthanides

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