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Transition element act as good catalysts...

Transition element act as good catalysts because

A

Presence of partically filled `'d'` orbitals

B

Form Hydrogen bonding easily

C

Transition element show variable oxidation state

D

Easy interconvertibility of oxidation states due to low oxidation and reduction potential

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The correct Answer is:
A, C, D
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Transition elements act as catalyst because-

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Generally transition metals act as catalyst because of

(a) Why do transition metals act as good catalysts? (b) Why do transition metals form alloys ? (c) What are coinage metals ?

Give reasons for the following: i. Transition elements act as catalysts ii. It is difficult to obtain oxidation state greater than two for Copper. iii. CrO is basic but Cr_(2)O_(3) is amphoteric.

NARAYNA-D BLOCK & TRANSITION ELEMENTS-Level-VI (H.W)
  1. Select the correct statement(s) with respect to oxides and oxoanions o...

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  2. In which of the following compounds (s), the colour is due to the char...

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  3. Transition element act as good catalysts because

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  4. The true statement among the following are:

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  5. Which of the following oxides are amphoteric?

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  6. Which of the following are nonferrous alloys?

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  7. In the formation of intersitital compounds by transition metals, ident...

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  8. Which of the following is/are correct about Wilkinson's catalyst?

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  9. Which of the following statement(s) is /are correct for the alloys, br...

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  10. The E^(0) values are Zn^(2+)//Zn:-0.76V,Fe^(2+)//Fe:-0.44V, Ni^(2...

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  11. The E^(0) values are Zn^(2+)//Zn:-0.76V,Fe^(2+)//Fe:-0.44V, Ni^(2...

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  12. The E^(0) values are Zn^(2+)//Zn:-0.76V,Fe^(2+)//Fe:-0.44V, Ni^(2...

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  13. The transition metals and their compounds have paramagnetic properties...

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  14. The transition metals and their compounds have paramagnetic properties...

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  15. The transition metals and their compounds have paramagnetic properties...

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  16. The (n-1)d shell of electron in d-block elements is expanding and, the...

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  17. The (n-1)d shell of electron in d-block elements is expanding and, the...

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  18. Paramagnetism is a property due to the presence of unpaired electrons....

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  19. Paramagnetism is a property due to the presence of unpaired electrons....

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  20. Paramagnetism is a property due to the presence of unpaired electrons....

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