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The catalytic activity of transition met...

The catalytic activity of transition metals and their compounds is ascribed mainly to -

A

their unfilled d - orbitals

B

their ability to adopt variable oxidation states

C

their chemical reactivity

D

their magnetic behaviour

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The correct Answer is:
A, B
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -ENTRANCE QUESTION BANK
  1. Which of the following exhibits only + 3 oxidation state -

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  2. Which one of the following does not correctly represent the correct of...

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  3. The catalytic activity of transition metals and their compounds is asc...

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  4. Red precipitate is obtained when enthanol solution of dimethylglyoxime...

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  5. Which of the statement is not true -

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  6. KMnO(4) can be prepared from K(2)MnO(4) as per the reaction : 3MnO(4...

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  7. Which of the following lanthanoid ions is diamagnetic - (At. Nos. Ce =...

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  8. Reason of lanthanoid contraction is -

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  9. Magnetic moment 2.83 BM is given by which of the following ions - (AT....

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  10. In acidic medium, H(2)O(2) changes Cr(2)O(7)^(2-) to CrO(5) which has ...

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  11. Gadolinium belong to 4f - series. Its atomic number is 64. Which of th...

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  12. Which one of the following statements related to lanthanoids is incorr...

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  13. The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64)...

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  14. Which of the following statements is correct when SO(2) is passed thro...

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  15. The reason for greater range of oxidation states in actinoids is attri...

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  16. Which one of the following ions exhibits d - d transition and paramagn...

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  17. Match the metal ions given in column - I with the spin magnetic moment...

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  18. MnO(3) in an acidic medium dissociates into -

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  19. Which is not stable under ambient condition -

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  20. Magnetic moment of Cr^(2+) is nearest to -

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