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Which of the following does not give oxy...

Which of the following does not give oxygen on heating ?

A

`K_2Cr_2O_7`

B

`(NH_4)_2Cr_2O_7`

C

`KClO_3`

D

`Zn(ClO_3)_2`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Draw lewis structure of H2S

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  2. Which of the following statements is not true?

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  3. Which of the following does not give oxygen on heating ?

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  4. Which of the following lanthanoid ions is diamagnetic ? (At. nos. Ce...

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  5. Reason of lanthanoid contraction is :

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  6. The reaction of acidified KMnO4 with H2O2 gives .

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  7. The pair of compounds that cannot exist together is :

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  8. Magnetic moment of 5.92 B.M. is given by which of the following ion ...

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  9. Gadolinium belong to 4 f series (Z=64). Which of the following is its ...

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  10. Because of lanthanoid contraction, which of the following pairs of ele...

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  11. Which one of the following statement is correct when SO2 is passed thr...

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  12. The outer shell electronic configuration of Gd (Z = 64) is

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  13. Draw lewis dot structure of PH3

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  14. The correct order of ionic radii of Y^(3+), La^(3+), Eu^(3+) and Lu^(3...

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  15. Write ionic equation showing KMnO4 acting as an oxidising agent in aci...

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  16. Which of the following pairs of transition metal ion s are the stronge...

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  17. What is the maximum oxidation state shown by Manganese in its compound...

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  18. Write the coordination number of central atom in the following coordin...

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  19. The acidic, basic or amphoteric nature of Mn2O7, V2O5 and CrO are resp...

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  20. Among the following series of transition metal ions the one where all ...

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