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Question

What are the applications of lanthanides?


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Solution

Lanthanides:

  • These elements are rare-earth elements, since their occurrence is rare,
  • It contains fifteen elements from LanthanumLa to 'Lutetium Luof f-block elements,58to71
  • Its elements lie in 4forbitals.
  • Its electronic configuration isXe4f0-145d0-16s2.
  • It has high dense metals and a high melting point.
  • They have a silver appearance and are lustrous,

Applications of Lanthanides:

  • They are used in night vision google.
  • They are used for oil extraction and optical instruments.
  • Alloys of these elements are used as instrumental steels, stainless steel, etc.,
  • Lead storage batteries use Ceria.
  • In dyeing cotton, lead storage batteries and catalyst Cerium salts are used.
  • In lighters, lanthanides are used.
  • Lanthanides remove sulfur and oxygen impurities.
  • EuropiumEu and YttriumYb are used in television for the red colour in it.
  • Cerium is used in jet engines and fuel additives are used as anti-knock agents.
  • Lanthanum oxides are used as lenses in cameras and binoculars.

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