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In context with the transition elements,...

In context with the transition elements, which of the following statements is incorrect ?

A

In the highest oxidation states, the transition metal show basic character and form cationic complexes.

B

In the highest oxidation states of the first five transition elements (Sc to Mn), al the 4 s and 3d electrons are used for bonding.

C

Once the `d^(5)` configuration is exceeded, the tendency to involve all the 3d electrons in bonding decreases.

D

In addition to the normal oxidation states, the zero oxidation state is also shown by these elements in complexes.

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The correct Answer is:
A
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RESONANCE-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 3
  1. The actinoids exhibit, more member of oxidation states in general than...

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  2. Larger number of oxidation state are exhibited by the actinoids than t...

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

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

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  5. The correct order of E(M^(2+)//M)^(@) Values with negative sign for th...

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  6. In context of the lanthanoids, which of the following statements is no...

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

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

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  9. Which one of the following arrangements does not represent the correct...

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

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  11. Which series of reactions correctly represents chemical rections relat...

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

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  13. Match the catalysts to the correct processes :

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

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  15. Chloro compound of vanadium has only spin magnetic moment of 1.73 BM. ...

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

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  17. Copper becomes green when exposed to moist air for a long period. This...

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  18. Which of the following statements is false?

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

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  20. The transition metal ions responsible for color in ruby and emerald ar...

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