For d- block elements the first ionization po | vedclass

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The ionisation enegies increase with increase in atomic number. However, the tread is irregular among some $d-$ block element. on the basis of electro

Vedclass · Accepted Answer

$Zn > Fe > Cu > Cr$

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The ionisation enegies increase with increase in atomic number. However, the tread is irregular among some $d-$ block element. on the basis of electronic configuration , the

$Zn\,:\,1{s^2}\,2{s^2}\,{p^6}\,3{s^2}\,{p^6}\,{d^{10}}\,4{s^2}$

$Fe\,:\,1{s^2}\,2{s^2}\,{p^6}\,3{s^2}\,{p^6}\,{d^6}\,4{s^2}$

$Cu\,:\,1{s^2}\,2{s^2}\,{p^6}\,3{s^2}\,{p^6}\,{d^{10}}\,4{s^1}$

$Cr\,:\,1{s^2}\,2{s^2}\,{p^6}\,3{s^2}\,{p^6}\,{d^5}\,4{s^1}$

$IE_1$ follows the order $:\,Zn > Fe > Cu > Cr$

For $d-$ block elements the first ionization potential is of the order

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