Practice question

MCQ

Question

The incorrect statement among the following is :

Options

Choose one · Correct answer highlighted

Actinoids are highly reactive metals, especially when finely divided. Actinoid contraction is greater for element to element than Lanthanoid contraction. Most of the trivalent Lanthanoid ions are colorless in the solid state. Correct Lanthanoids are good conductors of heat and electricity.

Explanation

Most of the trivalent Lanthanoid ions are colorless in the solid state. correct as per chemistry principle.

Share this question

Discussion

Comments

0 comments

Please log in to join the discussion.

No comments yet. Be the first to start the discussion.

Related blogs

Guides and insights connected to this topic

Experimental Microbiology 19 Sep 2023

Isolation of genomic DNA from fungi.

Introduction Fungal genomes are among the smallest genomes of eukaryotes. The sizes of fungal genomes range from less than 10 Mbp to hundred...

Molecular Biology 30 Aug 2023

The Wobble Hypothesis: Definition, Statement, Significance

Introduction There are more than one codon for one amino acid. This is called degeneracy of genetic code. To explain the possible...

Biology XII Lab Manual 11 Oct 2026

Experiment 16: Flash Cards / Models / Specimens Showing Examples of Homologous and Analogous Organs

Study homologous and analogous organs using flash cards, models and specimens of animal forelimbs and plant parts. Includes requirements, pr...