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Manipal MET2013Chemistryd and f Block Elements

Select incorrect statements.

Options

  1. AIonisation energies of 5 d - elements are greater than those of 3 d and 4 d elements.
  2. BCu (I) is diamagnetic while Cu (II) is paramagnetic.
  3. C[ Ti ( H ₂ O )₆ ]³⁺ is colored while [ Sc ( H ₂ O )₆ ]⁺ is colourless.
  4. DTransition elements cannot form complexes.

Correct answer

D. Transition elements cannot form complexes.

Step-by-step solution

Transition elements form comprexers . due to their straller'size, higher nuclear charge and presence of low energy vacant orbitals to accept lone pair of electrons donated by ligands.

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