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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Arrange Ce^(3+) (Z = 58), Sm^(3+) (Z = 62) and Yb^(3+)(Z = 70) in decr...
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- Name the basic cause of similar atomic radii of Hf and Zr.
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- Does actinoids show actinoid contraction similar to lanthanoid contrac...
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- Name the trivalent lanthanoid having the configuration [Xe] 4f^7.
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- Which of the following ion is colourless ? U^(3+), Cm^(4+), Th^(4+)
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- Name two tripositive lanthanoid ions which are colourless.
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- Express 2111 in roman numbers.
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- Express 2112 in roman numbers.
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- Express 2113 in roman numbers.
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- Express 2115 in roman numbers.
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- Express 2116 in roman numbers.
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- True of False : In Cr2O7^(2-), all Cr-O bonds are equivalent.
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- True of False : Ti(III) compounds are coloured while Ti (IV) compounds...
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- True of False : CuCl4^(2-) exists but CuI4^(2-) does not.
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- What is the oxidation state of Cr in CrO5.
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- True of False : Lanthanide compounds are less basic than actinide comp...
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- Complete the missing links: In CrO4^(2-) ion, Cr is .......... hybridi...
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- Write the general electronic configuration of transition elements.
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- What is the most common oxidation state in the Lanthanoids ?
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- What happens when 88% of copper, 10% of tin and 2% of zinc combine tog...
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