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Tamil Nadu Board of Secondary EducationHSC Science Class 12

Which one of the following is not correct?

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Question

Which one of the following is not correct?

Options

  • La(OH)2 is less basic than Lu(OH)3

  • In lanthanoid series ionic radius of Ln3+ ions decreases

  • La is actually an element of transition metal series rather than lanthanide series

  • Atomic radii of Zr and Hf are same because of lanthanide contraction

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Solution

La(OH)2 is less basic than Lu(OH)3

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Chapter 4: Transition and Inner Transition Elements - Evaluation [Page 128]

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Samacheer Kalvi Chemistry - Volume 1 and 2 [English] Class 12 TN Board
Chapter 4 Transition and Inner Transition Elements
Evaluation | Q 19. | Page 128

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