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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 chemical reactivity.

B

their magnetic behaviour.

C

their filled d-orbitals.

D

their ability to adopt multiplee oxidation state and their complexing ability.

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The correct Answer is:
D
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RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 1
  1. MnO(4)^(-) is of intense pink colour, though Mn is in (+7) oxidation s...

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  2. The yellow colour of chromates changes to orange on acidification due...

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

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  4. KMnO(4) is the oxo salt of :

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  5. The solubility of silver bromide in hypo solution (excess) is due to ...

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  6. In dilute alkaline solution,MnO(4)^(-) changes to:

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  7. Cl(2) gas is obtained by various reactions but not by:

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  8. The developer used in photography is an alkaline solution of:

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  9. When acidified solution of K(2)Cr(2)O(7) is shaken with aqeous solutio...

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  10. Which of the following compounds is used as the starting material for ...

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  11. CrO(4) dissolves in aqueous NaOH to give :

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  12. The final product obtained for the following reaction is: KMnO(4)("ex...

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  13. The f-block of the periodic table contains those elements in which:

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  14. Among the lanthanides the one obtained by synthetic method is (a)Lu ...

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  15. The most common lanthanoid is

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  16. Across the lanthanide series,the basicity of the lanthanoide hydroxide...

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  17. Actinides

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  18. The lanthanide contraction is responsible for the fact that

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  19. Lanthanides and actinides resemble in

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  20. The seperation of lanthanoids by ion exchange method is based on

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