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
$1$ and $2$
$1$ and $3$
$2$ and $3$
$1,2$ and $3$
Cuprous ion is colourless, while cupric ion is coloured because
Identify incorrect statement
Electrons in a paramagnetic compound are
A blue colouration is not obtained when
The colour of ${(N{H_4})_2}S{O_4}Fe{(S{O_4})_3}.24{H_2}O$ is