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NARAYNA-F-BLOCK ELEMENTS-LEVEL-I (C.W)
- The most common oxidation states of cerium are
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- Which of the following ion is paramagnetic
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- The atomic and ionic radii (M^(3+) ions) of Lanthanide elements decrea...
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- Lanthanide contraction is caused due to -
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- The lanthanide contraction is responsible for the fact that
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- Which elements among the Lanthanides has the smallest atomic radius ?
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- Lanthanides are separated best by
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- The separation of lanthanides by the ion exhange method is based on
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- Which of the following is the strongest base
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- KMnO(4) and K(2)Cr(2)O(7) are replaced in volumetric analysis by
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- Assertion: Ce^(4+) is used as an oxidising agent in volumetric analysi...
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- Statement - I :- Sm^(3+), Dy^(3+) have same colour (yellow) Statemen...
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- Statement - I :- La^(3+), Lu^(3+) ions are colourless Statement - II...
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