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Which is not true for describing the c...

Which is not true for describing the catalyti activity of transition metals?

A

Their ability to adopt multiple oxidation states

B

Their ability to from bonds between reactant molecule and atoms of the surface of catalysts.

C

Increasing the concentration of reactiants at the catalyst surface

D

Strenghtening the bonds in the reacting moleucles.

Text Solution

Verified by Experts

The correct Answer is:
D

Because of the formation of bonds between the reactant molecules and active centres on the catalyst surface, there is the weakeing of the bonds between the reactant molecules.
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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-JEE (Main ) & other engineering entrance examination
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  2. The correct statemet is

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  3. Which is not true for describing the catalyti activity of transitio...

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  4. The electronic configuration of Gd^(2+)is :

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  5. Upon heating poatssium permanganate, which of the following compou...

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  6. The atomic number of cerium (Ce) is 58. The correct electronic con...

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  7. The colour of KMnO(4) is due to

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  8. Which of the following statements is incorrect for KMnO(4)?

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  9. In which of the following d-d transition involves absorption in the ...

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  10. The highest oxidation state exhibited by a transition elements is .

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  11. Which of the following metal ions has a calculated magnetic moment v...

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  12. Which of the following statement regarding lanthandes is false?

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  13. The bivalent metal ion having maximum paramagnetic behaviour among ...

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  14. Why are Mn^(2+) compounds more stable than Fe^(2+) toward oxidation to...

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  15. Which of the following statement is worng regrading lanthanoids?

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  16. The correct basicity order of the following lanthanoid ions is

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  17. When MnO(2) fused with KOH, a coloured compound is formed . The produc...

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  18. Identify the cases(s) where there in change in oxidation number.

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  19. Sodium salt of an organic acid 'X' produces effervescence with conc. H...

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  20. For redox reaction {:(xMnO(4)^(-)+yH(2)C(2)O(4)+ZH^(+)),(" ...

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