Which of the following element has maximum density
$Hg$
$Au$
$Os$
$Pb$
Although fluorine is more electronegative than oxygen, but the ability of oxygen to stabilize higher oxidation states exceeds that of fluorine. Why ?
Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are
Correct statement for $CeO_2$ is/are
$(1)$ It is Diamagnetic in nature
$(2)$ It is a good oxidising agen
$(3)$ It is colourless compound
Although $Cr^{3+}$ and $Co^{2+}$ ions have same number of unpaired electrons but the magnetic moment of $Cr^{3+}$ is $3.87\,BM$. and that of $Co^{2+}$ is $4.87\,BM$. Why ?
Which of the following statement is Correct