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The lanthanide contraction is responsibl...

The lanthanide contraction is responsible for the fact that

A

Zr and Y have about the same radius

B

Zr and Nb have similar oxidation state

C

Zr and Hf have about the same radius

D

Zr and Zn have similar oxidation state

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The correct Answer is:
C
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BANSAL-D AND F BLOCK ELEMENTS-Exercise-1 (Single Correct Choice Type)
  1. Calomel (H(2)Cl(2)) on reaction with ammonium hydroxide gives

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  2. The reaction, 2Cu^(+)toCu+Cu^(2+) is called-

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  3. The lanthanide contraction is responsible for the fact that

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  4. Amongst [TiE(6)]^(2-), [CoF(6)]^(3-), Cu(2)Cl(2) and [NiCl(4)]^(2-) [A...

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  5. Lanthanoid contraction is caused due to:

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  6. CrO(3) is a//an"….."

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  7. Which of the following is expected to have lowest magnetic moment-

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  8. Identify the incorrect statement among the following.

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  9. Which of the following ion has the maximum magnetic moment?

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  10. Transition elements are usually characterised by variable oxidation st...

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  11. In context with the transition elements, which of the following statem...

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  12. What is the general electronic configuration of transition elements

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  13. Knowing that the chemistry of lanthanoids (Ln) is dominated by its +3 ...

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  14. The highest oxidation state achieved by trantion metal is given by -

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  15. In context of the lanthanoids, which of the following statements is no...

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  16. The equilibrium Cr(2)O(7)^(2-)hArr 2CrO(4)^(2-)

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  17. When the same amount of Zn is treated with excess of H(2)SO(4) and exc...

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  18. (NH(4))(2)Cr(2)O(7)( Ammonium dichromate ) is used in fire works. The ...

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  19. The d-block elements which is a liquid at room temperature, having hig...

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  20. Coinage metals show the properties of

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