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True of False : Ti(III) compounds are co...

True of False : Ti(III) compounds are coloured while Ti (IV) compounds are colourless.

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Express 2116 in roman numbers.

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  2. True of False : In Cr2O7^(2-), all Cr-O bonds are equivalent.

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  3. True of False : Ti(III) compounds are coloured while Ti (IV) compounds...

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  4. True of False : CuCl4^(2-) exists but CuI4^(2-) does not.

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  5. What is the oxidation state of Cr in CrO5.

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  6. True of False : Lanthanide compounds are less basic than actinide comp...

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  7. Complete the missing links: In CrO4^(2-) ion, Cr is .......... hybridi...

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  8. Write the general electronic configuration of transition elements.

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  9. What is the most common oxidation state in the Lanthanoids ?

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  10. What happens when 88% of copper, 10% of tin and 2% of zinc combine tog...

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  11. The chromate ion in acidic medium changes to ............. ion.

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  12. The formula of chromite is .............. .

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  13. The most abundant transition metal is ........... .

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  14. The spin only magnetic moment for ion having d^8 electronic configurat...

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  15. When K2Cr2O7 is heated to red hot the products are ......................

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  16. The reddish brown vapours formed when sodium chloride is heated with K...

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  17. The most common mineral containing lanthanoids is ................. .

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  18. In the first transition series, the maximum number of oxidation states...

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  19. What is the theoretical magnetic moment of Ti^(3+) ion ?

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  20. The colour of light absorbed by an aqueous solution of CuSO4 is

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