Select incorrect statements.
(A) Ionisation energies of 5d-elements are greater than those of 3d and 4d elements.
(B) Cu(I) is diamagnetic while Cu(II) is paramagnetic.
(C) [Ti(H\(_2\)O)\(_6\)]\(^{3+}\) is colored while [Sc(H\(_2\)O)\(_6\)]\(^+\) is colourless.
(D) Transition elements cannot form complexes.