Prof. Santosh Yadav and Prof. Anil Thomas Solutions for Chapter: d- and f-Block Elements, Exercise 4: Evaluation Test

Among the following, the most dense transition metal is _____.

Which of the following is not oxidised by ${\text{O}}_{\text{3}}$?

Which of the following ions has the least magnetic moment?

The maximum oxidation state that actinides can exhibit is _____.

Which of the following is not inner transition element?

Which of the following statements is true?

Statement $\mathrm{I}:$ Nickel $\left(\mathrm{II}\right)$ compounds are thermodynamically less stable than platinum $\left(\mathrm{II}\right)$ compounds in the gaseous phase.

Statement $\mathrm{II}:$ Nickel $\left(\mathrm{IV}\right)$ compounds are thermodynamically more stable than platinum $\left(\mathrm{IV}\right)$ compounds in the gaseous phase..

Which of the following transition metal ion catalyses the reaction between iodide and persulphate ions?