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More number of oxidation states are exhi...

More number of oxidation states are exhibited by the actinides than those by the lanthanides, the main reason being

A

Lesser energy difference between 5f and 6d than between 4f and 5d orbitals.

B

more energy difference between 5f and 6d than between 4f and 5d orbitals

C

more reactive nature of the actinoids than the lanthanoids

D

5f orbitals more diffused than the 5 orbitals.

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The correct Answer is:
A
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RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 3
  1. Identify the incorrect statement among the following.

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  2. The actinoids exhibit more number of oxidation states in generals than...

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  3. More number of oxidation states are exhibited by the actinides than th...

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  4. In context with the transition elements, which of the following statem...

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  5. Knowing that the chemistry of lanthanoids (Ln) is dominated by its +3 ...

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  6. The correct order of E(M^(2+)//M)^@ value with negative sign for the f...

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  7. In context of the lanthanoids , which of the following statement is no...

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  8. The outer electrons configuration of Lu (Atomic No.,71) is :

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  9. Iron exhibits +2 and +3 oxidation states. Which of the following state...

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  10. Which of the following arrangements does not represent the correct ord...

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  11. Four successive members of the first row transition elements are liste...

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  12. Which series of reactions correctly chemical reactions related to iron...

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  13. The equation which is balanced and represents the correct product(s) i...

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  14. Match the catalysts to the correct processes :

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  15. The colour of KMnO(4) is due to : [where M to metal, L to ligand]

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  16. A compound of vanadium chloride has spin only magnetic moment of 1.73 ...

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  17. Which one of the following exhibits the largest number of oxidation st...

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  18. Copper becomes green when exposed to moist air for long period. This i...

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  19. Which of the following statements is false?

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  20. Which one of the following species is stable in aqueous solution?

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