Embibe Experts Solutions for Chapter: d- and f- Block Elements, Exercise 1: TS EAMCET 2020 (28-Sep Shift-1)

The correct sequence of the paramagnetic property of the metal ions is

Among the options, the set of metals can form trihalides is

In the following set of compounds, the pair with same magnetic moment is

A solid $\text{'}\mathrm{X}\text{'}$ on reaction with $\mathrm{dil} \mathrm{HCl}$ liberates a gas $\text{'}\mathrm{Y}\text{'}$, which decolorises acidified ${\mathrm{KMnO}}_4$. $\mathrm{X}, \mathrm{Y}$ respectively are:

The mixture of three parts of concentrated $\mathrm{HCl}$ and one part of concentrated ${\mathrm{HNO}}_3$ is reacted with gold metal. The main products of reaction are

When oxalic acid is oxidised with acidified ${\mathrm{KMnO}}_4,$ the number of moles of ${\mathrm{CO}}_2$ liberated is (consider balancing the reaction)

Which of the following lanthanide ions has the highest number of unpaired electrons?

Which of the following statements are correct?
A) The separation of actinoid elements from each other is difficult.
B) The covalency of the compounds of actinoid metals decrease from left to right along actinoid series.
C) The compounds of Lawrencium are most covalent.
D) $\mathrm{U}$ and $\mathrm{Th}$ occur naturally in substantial quantities.