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Most common oxidation state of actinoids...

Most common oxidation state of actinoids is ......... .

A

`+4`

B

`+5`

C

`+2`

D

`+3`

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The correct Answer is:
D
Common oxidation state of actinide is +3 which shows increasing stability for heavier elements
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The most common oxidation state of lanthanoids is

(i) What is the most common oxidation state of the actinoids? (ii) Why is Cu_2I_2 colourless ? Calculate the magnetic moment (spin only) value of the trivalent ion of element with atomic number 22.

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. 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. Which out of La(OH)_3 and Lu(OH)_3 is more basic?

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.

MARVEL PUBLICATION-D AND F BLOCK ELEMENTS -TEST YOUR GRASP
  1. Most common oxidation state of actinoids is ......... .

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  2. The number of transition series in the periodic table are

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  3. What is the general electronic configuration of transition elements

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  4. Each transition series contains only 10 elements because

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  5. Which one of the following refers to configuration of transition elem...

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  6. The outer electronic configuration of chromium is

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  7. Which of the following does NOT show different oxidation states?

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  8. Calculate the oxidation number of Mn in KMnO(4) molecule.

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  9. The properties of transition metals are in between the properties of ...

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  10. Which transition metal shows the highest oxidation state ?

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  11. Which of the following would be diamagnetic?

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  12. The element present immediately below Zn in the periodic table in the ...

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  13. Oxidation state of +1 is possible with

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  14. For Sc (2 1), if both 3d and 4s electrons in involved in bonding, the ...

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  15. Which one of the following forms a colourless solution in aqueous medi...

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  16. Which of the following group belongs to transition series ?

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  17. In transition elements, the differentiating electron enters into subs...

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  18. Which of has the highest number of unpaired electrons?

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  19. The range of wavelength of the visible light is

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  20. Which of the following salt give coloured aqueous solution ?

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  21. Sulphide ore of Zinc is

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