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Question: Answered & Verified by Expert
The incorrect statement among the following is:
Chemistryd and f Block ElementsNEETNEET 2021
Options:
  • A Actinoid contraction is greater for element to element than Lanthanoid contraction.
  • B Most of the trivalent Lanthanoid ions are colorless in the solid state.
  • C Lanthanoids are good conductors of heat and electricity.
  • D Actinoids are highly reactive metals, especially when finely divided.
Solution:
1629 Upvotes Verified Answer
The correct answer is: Most of the trivalent Lanthanoid ions are colorless in the solid state.

Most of the trivalent Lanthanoid ions are coloured in the solid state.

All other statements are correct.

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