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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- 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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- The chromate ion in acidic medium changes to ............. ion.
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- The formula of chromite is .............. .
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- The most abundant transition metal is ........... .
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- The spin only magnetic moment for ion having d^8 electronic configurat...
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