Embibe Experts Solutions for Chapter: The d- and f-Block Elements, Exercise 1: BEGINNER'S BOX

Which of the following is a lanthanoid:

The element with the electronic configuraton $[\mathrm{Xe}{]}^{54}4{\mathrm{f}}^{14}5{\mathrm{d}}^{1}6{\mathrm{s}}^2$ is a

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

The number of moles of ${\text{KMnO}}_{\text{4}}$ reduced by one mole of $\mathrm{KI}$ in an alkaline medium is _____.

Ammonium dichromate is used in fireworks. The green colored powder blown in air is 

The product of oxidation of ${\mathrm{I}}^{-}$ with ${\mathrm{MnO}}_4^{-}$ ions in alkaline medium is

${\mathrm{CrO}}_3$ is red or orange in colour. The nature of oxide is:

${\mathrm{Cl}}_2$ gas is obtained by various reactions but not by :