(1) Members of both series show ion-exchange behaviour
(2) The electronegativity values of both the series are low
(3) Both form colored ions
(4) They both have high binding energy
(5) Both show a +3 oxidation state
$\begin {array} {1 1} Only (3) \\ Only (3) \;and \;(4) \\ (1),(2)\;and \;(4) \\ (1),(2)\;and\;(3) \end {array}$
