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Question
Which lanthanoid is most commonly used?
Options
Lanthanum
Neodymium
Terbium
Cerium
MCQ
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Solution
Cerium
Explanation:
Cerium is the most commonly used lanthanoid. It is used in catalytic converters, glass polishing powders, lighter flints, and alloys. It is also used in oxidation-reduction reactions due to its ability to show variable oxidation states. Because of its abundance and versatile applications, cerium is the most commercially important lanthanoid.
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