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Which of the following ions are colourle...

Which of the following ions are colourless ?

A

`Ti^(3+)`

B

`Cu^(2+)`

C

`Cd^(2+)`

D

`Sc^(3+)`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. The colour of light absorbed by an aqueous solution of CuSO4 is

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  2. Which of the following pairs have almost similar atomic radii ?

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  3. Which of the following ions are colourless ?

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  4. Which of the following ions have same number of unpaired electrons?

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  5. Which of the following statements is/are wrong ?

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  6. In which of the following oxides, the first is not more acidic than th...

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  7. Which of the following statements are correct when a mixture of NaCl a...

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  8. Which of the following statements are correct with reference to ferrou...

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  9. Reduction of the metal centre in aqueous permanganate ion involves

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  10. Write lewis dot symbol for following elements : aluminium

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  11. Which of the following statement(s) is (are) correct when. a mixture ...

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  12. What happens when potassium dichromate is heated with sodium chloride ...

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  13. The yellow solution (X) is

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  14. The bond order between C and C in ethyne according to lewis.

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  15. Write lewis dot symbol for following elements : silicon

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  16. The oxidation state of Cr in compound CrO5 is

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  17. Draw lewis structure of PF3

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  18. Draw lewis dot structure of SF2

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  19. The atomic numbers of three lanthanide elements X,Y and Z are 65,68 a...

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  20. Ce (Z = 58) and Yb (Z = 70) exhibit stable +4 and +2 oxidation states ...

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