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

A compound of mercury used in cosmetics, in Ayurvedic and Yunani medicines and known as Vermilon is:

Magnetic moment $\sqrt{35}$ is true for which of the following pair :

Acidified chromic acid $+{\mathrm{H}}_2{\mathrm{O}}_2⟶\underset{(\mathrm{Blue} \mathrm{colour})}{\mathrm{X}+\mathrm{Y},\mathrm{X}}$ and $\mathrm{Y}$ are :

$\uparrow \mathrm{Y}\left(\mathrm{g}\right)\stackrel{\mathrm{Kl}}{⟵}{\mathrm{CuSO}}_4\stackrel{ \mathrm{dil} {\mathrm{H}}_2{\mathrm{SO}}_4}{⟶}\mathrm{X}$(Blue Colour) $\mathrm{X}$ and $\mathrm{Y}$ are :

${\left({\mathrm{NH}}_4\right)}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$ (Ammonium dichromate) is used in fire works. The green coloured powder blown in air is:

Iron becomes passive by ................ due to formation of ................:

$\mathrm{x}, \mathrm{y}$ and $\mathrm{z}$ Are respectively :

In the equation : $\mathrm{M}+8{\mathrm{CN}}^{-}+2{\mathrm{H}}_2\mathrm{O}+{\mathrm{O}}_2⟶4{\left[\mathrm{M}(\mathrm{CN}{)}_2\right]}^{-}+4{\mathrm{OH}}^{-}$, metal $\mathrm{M}$ is :