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Catalytic activity of transition element...

Catalytic activity of transition elements and their compounds is due to their

A

Small size

B

Vacant d-orbitals

C

Higher densities

D

Colour

Text Solution

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The correct Answer is:
B
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NARAYNA-D BLOCK & TRANSITION ELEMENTS-Level-I
  1. Which of the following set of element not belongs to transitional elem...

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  2. In the transition element the incoming electron occupies [n-1] d suble...

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  3. Catalytic activity of transition elements and their compounds is due t...

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  4. Transition metals are good electrical conductors because

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  5. Which of the following is a transition element

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  6. The ground state electronic configuration of chromium is against

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  7. The following has pseudo-inert gas configuration in the (n-1) shell.

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  8. Which one of the following pairs of ions have the same electronic conf...

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  9. Which one of the following ions has same numbr of unpaired electrons a...

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  10. The electron which take part in order to exhibit variable oxidation st...

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  11. The most abundant transition metal in earth crust is :

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  12. In the following pair of d-block elements, the first number is a liqui...

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  13. Cementite is:

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  14. {:("List -I","List-II"),("(A) Rutile",(i) ZnCO(3)),("B) Chromite","(ii...

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  15. Which element exhibits highest density in 3d series

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  16. The maximum and minimum melting points of first and second transition ...

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  17. The metal that has the highest melting point and used in making hard s...

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  18. The property, which is not charactestics of transition metals

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  19. The pair that has the greatest malleability and ductility property is

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  20. The metal that has the lowest boiling point among the following is

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