The ionic radius of $Cr$ is minimum is which of the following compounds
$K_2CrO_4$
$CrF_3$
$CrO_2$
$CrCl_3$
Assertion : The free gaseous $Cr$ atom has six unpaired electrons
Reason : Half-filled s orbital has greater stability.
Vanadium $(III) $ oxide is a strong
Chloride of which of the following element is coloured
Prussian blue is due to the formation of
Transition element makes complex compound due to