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Which of the following is not an actinoi...

Which of the following is not an actinoid ?

A

Curium `(Z= 96)`

B

Califormium `(Z= 98)`

C

Uranium `(Z= 92)`

D

Terbium `(Z= 65)`

Text Solution

Verified by Experts

Actinoids are elements fromZ= 89 to 103. Thus, Terbium `(Tb, Z = 65)` is not an actinoid but a lanthanoid
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PRADEEP-D- AND F-BLOCK ELEMENTS-COMPETITIONS FOCUS
  1. Which is not the correct statement about the chemistry of 3d and 4f se...

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  2. Which of the following elements shows maximum number of different oxid...

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  3. Which of the following is not an actinoid ?

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  4. Among the following pairs the maximum, oxidation states is shown by

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

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  6. The reason for greater range of oxidation state in actinoids is attrib...

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  7. Reason of lanthanoid contraction is

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  8. Which one of the following statements related to lanthanons is incorre...

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  9. All Cu(II) halides are known except the iodide. The reason for it is t...

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  10. In nitroprusside ion, the iron and NO exist as Fe(II) and NO^(+) rathe...

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  11. A red solid is insoluble in water. However, it becomes soluble if some...

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  12. [Fe(H(2)O)(5)NO]^(2+) is a complex formed during the brown ring test f...

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  13. WhenHg(2)Cl(2) ionizes, the ins produced and the unpaired electrons pr...

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  14. Prussian blue is -

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  15. Which one of the following reactions involves disproportionation ?

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  16. Pick out the correct statements from the following 1. Cobalt (III) ...

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  17. Which out of the following belong to 3d-series?

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  18. Transition elements have greater tendency to form complexes because

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  19. The colour of the transition metal ions is due to

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  20. Which of the following show oxidation state of +4 ?

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