Transition element makes complex compound due to
Presence of empty $d-$ orbital
large size
Variable valency
presence of $2e^-$
Which of the following is not correct
$Sc\, (Z = 21)$ is a transition element but $Zn\, (Z = 30)$ is not because
Which of the following has highest ionic radii
When ammonia is added to a cupric salt solution, the deep blue colour is observed it is due to the formation of
Which one of the following properties is not of transition elements