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The d-And-f-Block Elements
Cerium (Ce) shows +4 oxidation state as in this it acquires stable noble gas configuration but it is a strong oxidising agent and oxidises to Ce3+ (common) state. Its E° value for Ce4+/Ce3+ is 1.74 V. It oxidises water but the rate of reaction is slow and thus can be studied in detailed and analysed. Hence Ce acquires great use in analytical reagents.
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The outer electronic configuration of copper is 3d10 4s1, yet it is considered transition element. Why?
Name the first element of 3rd transition series.
Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?
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