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| 1. |
Match the property given in Column I with the element given in Column II.Column I (Property)Column II (Element)(i) Lanthanoid which shows +4 oxidation state(a) Pm(ii) Lanthanoid which can show +2 oxidation state(b) Ce(iii) Radioactive lanthanoid(c) Lu(iv) Lanthanoid which has 4f7 electronic configuration in +3 oxidation state(d) Eu(v) Lanthanoid which has 4f14 electronic configuration in +3 oxidation state(e) Gd(f) Dy |
| Answer» (i) → (b) (ii) → (d) (iii) → (a) (iv) → (e) (v) → (c) | |