Ionisation potential values of d-block elemen | vedclass

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(A) $d-$block elements have higher ionisation potential values compared to $f-$block elements. This is because the $f-$orbitals have poor shielding ef

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Higher

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(A) $d-$block elements have higher ionisation potential values compared to $f-$block elements. This is because the $f-$orbitals have poor shielding effect,which leads to a higher effective nuclear charge experienced by the valence electrons in $f-$block elements. However,the question asks for the comparison of $d-$block relative to $f-$block,and since $f-$block electrons are more shielded from the nucleus by inner shells,they are held less tightly than $d-$block electrons in corresponding periods. Therefore,the ionisation potential of $d-$block elements is higher.

Ionisation potential values of $d-$block elements as compared to ionization potential values of $f-$block elements are

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