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Which one of the following elements exhi...

Which one of the following elements exhibits highest valency ?

A

Mn

B

Os

C

W

D

Mo

Text Solution

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The correct Answer is:
B
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
  1. The transition elements are so named because

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  2. The atomic radii of transition series elements

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  3. Which one of the following elements exhibits highest valency ?

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  4. Which one of the following statements is false ?

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  5. Which of the following ions has d^(5) electronic configureation ?

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  6. Which of the following ions is colourless ?

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  7. maximum number of variable oxidation state in a transition series are ...

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  8. Which of the following metals exhibits more than one oxidation state ?

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  9. Which of the following species is expected to be paramagnetic ?

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  10. The density of Sc is

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  11. In first transition series, the melting point of Mn is low because

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  12. Of the ions Zn^(2), Ni^(2 +) and Cr^(3 +) [atomic number of Zn = 30, N...

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  13. Paramagnetism is exhibited by molecules which

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  14. Which one of the following is transition element ?

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  15. Which of the following is a colourless ion?

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  16. If a compund absorbs orange colour from the white light, then the obse...

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  17. The atomic radii of transition elements in a period are.

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  18. Which of the following d-block elements has d^(10) configuration ?

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  19. The ore cromite contsins FeO and

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  20. An atom with atomic number 21 belongs to the category of

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