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CBSE Class 12-science Answered

Silver has completely filled d- orbital but it is regarded as a transition element why???
Asked by 03dec99 | 29 Nov, 2016, 10:56: PM
answered-by-expert Expert Answer

In the ground state, Ag has a completely filled 4d orbital (4d10 5s1).

Silver shows two oxidation states (+1 and +2).

An electron is removed from the s-orbital in the +1 oxidation state.

However, in the +2 oxidation state, an electron is removed from the d-orbital and so the d-orbital becomes incomplete (4d9).

Hence, it is a transition element.

Answered by Vaibhav Chavan | 30 Nov, 2016, 11:49: AM
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