In which of the following ionic radii of chromium would be smallest
${K_2}Cr{O_4}$
$Cr{O_2}$
$CrC{l_3}$
$Cr{F_2}$
Which of the following weighs less when weighed in magnetic field
Which one of the following does not correctly represent the order of property indicated against it
Why first ionisation enthalpy of $\mathrm{Cr}$ is lower than that of $\mathrm{Zn}$ ?
The solubility of silver bromide in hypo solution is due to the formation of :
Calculate the number of unpaired electrons in the following gaseous ions: $Mn ^{3+}, Cr ^{3+}, V ^{3+}$ and $T i^{3+} .$ Which one of these is the most stable in aqueous solution?