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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 ca - Chemistry

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प्रश्न

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
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उत्तर

  Column I (Property) Column II (Element)
(i) Lanthanoid which shows
+4 oxidation state
(b) Ce
(ii) Lanthanoid which can show +2
oxidation state
(d) Eu
(iii) Radioactive lanthanoid (a) Pm
(iv) Lanthanoid which has 4f7
electronic configuration in +3
oxidation state
(e) Gd
(v) Lanthanoid which has 4f14
electronic configuration in
+3 oxidation state
(c) Lu
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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: The d-and f-Block Elements - Multiple Choice Questions (Type - I) [पृष्ठ ११३]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
पाठ 8 The d-and f-Block Elements
Multiple Choice Questions (Type - I) | Q 57 | पृष्ठ ११३

संबंधित प्रश्‍न

What are chemical twins? Write ‘two’ examples.


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Zr and Hf have almost similar atomic radii.


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(at. no. of Lanthanum  = 57 and Lutetium = 71)


Name an element of lanthanoid series which is well knwon to shown +4 oxidation state. Is it a strong oxidising agent or reducing agent? 


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