Question

Why 4d and 5d elements usually form low spin complexes?

Answer 1

Because while forming complexes

Electons of (n-1)d orbital take part in hybridization so,
When ( n-1 ) orbital electrons involved in hybridization then the complex is known as low spin complex.

Therefore 4d &5d elements form low spin Complexes

Answer 2

Answer:

because orbital take part in hyberdisation

Explanation:

4d and 5d elements usually form low spin complexes because when it forming complexes electrons of (n-1) d orbital take part in hyberdisation.

Hyberdisation-. Hybridization happens when atomic orbitals mix to form a new atomic orbital. The new orbital can hold the same total number of electrons as the old ones. The properties and energy of the new, hybridized orbital are an 'average' of the original unhybridized orbitals.

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