[" 57.Select the correct option,among "Sc(III),Ti(IV),Pd(II)" and "Cu(II)" ions "],[1" ) all are paramagnetic "],[" 3) "Sc(III" ) ",Ti(IV)" are paramagnetic and "Pd(III),Cu(II)" are diamagentic "],[4)Sc(III),Ti(IV)" are diamagnetic and "Pd(II),Cu(II)" are diamagentic "]