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The most common oxidation state of lanth...

The most common oxidation state of lanthanoids are :

A

`+1,+2`

B

`+2,+4`

C

`+2`

D

`+2,+3,+4`

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D
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The most common oxidation state of lanthanoids is

Lanthanoids and actinoids are f-block elements in which the last electron enters the anti-penultimate energy level. The most common oxidation state of lanthanoids is +3, though +2 and +4 oxidation states are exhibited by some of the elements. In lanthanoid series, there is a progressive decrease in atomic and ionic radii, known as lanthanoid contraction. Unlike lanthanoids, actinoids show a large number of oxidation states. Name two lanthanoids which exhibit +2 oxidation state.

Lanthanoids and actinoids are f-block elements in which the last electron enters the anti-penultimate energy level. The most common oxidation state of lanthanoids is +3, though +2 and +4 oxidation states are exhibited by some of the elements. In lanthanoid series, there is a progressive decrease in atomic and ionic radii, known as lanthanoid contraction. Unlike lanthanoids, actinoids show a large number of oxidation states. Name an element of lanthanoid series, which is known to show +4 oxidation state. Is it a strong oxidising agent or reducing agent?

Lanthanoids and actinoids are f-block elements in which the last electron enters the anti-penultimate energy level. The most common oxidation state of lanthanoids is +3, though +2 and +4 oxidation states are exhibited by some of the elements. In lanthanoid series, there is a progressive decrease in atomic and ionic radii, known as lanthanoid contraction. Unlike lanthanoids, actinoids show a large number of oxidation states. Write the general electronic configuration of lanthanoids.

Lanthanoids and actinoids are f-block elements in which the last electron enters the anti-penultimate energy level. The most common oxidation state of lanthanoids is +3, though +2 and +4 oxidation states are exhibited by some of the elements. In lanthanoid series, there is a progressive decrease in atomic and ionic radii, known as lanthanoid contraction. Unlike lanthanoids, actinoids show a large number of oxidation states. Which is the last element of the actinoid series? Write its electronic configuration.

Lanthanoids and actinoids are f-block elements in which the last electron enters the anti-penultimate energy level. The most common oxidation state of lanthanoids is +3, though +2 and +4 oxidation states are exhibited by some of the elements. In lanthanoid series, there is a progressive decrease in atomic and ionic radii, known as lanthanoid contraction. Unlike lanthanoids, actinoids show a large number of oxidation states. Which out of La(OH)_3 and Lu(OH)_3 is more basic?

The common oxidation states of Ti are

DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-JEE (Main ) & other engineering entrance examination
  1. Because of lanthanoid contraction :

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  2. Which is not the chracteristics of the transition metals ?

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  3. The most common oxidation state of lanthanoids are :

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  4. Transition metals show variable oxidation states because of :

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  5. On adding NaOH solution to the aqueous solution of K(2)Cr(2)O(7), the ...

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  6. Arrange Ce^(3+),La^(3+), Pm^(3) and Yb^(3+) in increasing order of the...

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  7. When KMnO(4) acts as an oxidising agnet and ultimetely from MnO(4)^(2-...

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  8. The radius of La^(+) (at no 57) is 1.06Å. What may be the radius of Lu...

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  9. What happen when a solution of potassium chromate is treated with an e...

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  10. The oxidation state of chrominium in the final product formed in the r...

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  11. Identify the incorrect statement among the following.

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  12. The spin-only magnetic moment [in units of Bohr magneton, (mu(B) of Ni...

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  13. The actinoids exhibit more number of oxidation states in general than ...

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  14. Amount of oxalic acid present in a solution can be determined by its t...

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

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  16. Mark the correct statement (s). (1) Manganese exhibits +7 oxidation...

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

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

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  19. The outer electronic configuration of Gd (At.No. 64) is

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  20. Consider the following statements: (I) La(OH)(3) is the least b...

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