Embibe Experts Solutions for Chapter: The d- and f-Block Elements, Exercise 1: Assam CEE 2016

${\mathrm{KMnO}}_4$ acts as an oxidizing agent in alkaline medium. When alkaline ${\mathrm{KMnO}}_4$ is treated with $\mathrm{KI},$ then

How many unpaired electrons are present in a ${\mathrm{Fe}}^{2+}$ ion?

Lanthanoid contraction is observed in:

Prussian blue is:

An octahedral complex of a metal ion has a magnetic moment of $5.92 \mathrm{BM}$ and another octahedral complex of the same metal ion in the same oxidation state has a magnetic moment of $1.75 \mathrm{BM}$. The metal ion will be

Which of the following $3\mathrm{d}$ series transition metals exhibits the largest number of oxidation states?

The basic character of the transition metal monoxide follows the order