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Identify the incorrect statement among t...

Identify the incorrect statement among the following -

A

the ionisation enthalpies of d - block elements are irregular

B

La and Lu have partially filled d - orbitals and no other partially filled orbitals.

C

the chemistry of various lanthanoids are very similar

D

4f and 5f - orbitals are equally shielded

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The correct Answer is:
D
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -MCQ (Single Correct Type)
  1. In a neutral medium, 1 mol of MnO(4)^(2-) ion undergoes disproportiona...

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  2. Transition elements have greater tendency to form complexes, because -

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  3. Which to the following represents the electronic configuration of a tr...

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  4. Identify the incorrect statement among the following -

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  5. To support tungsten filament in electric bulbs, which of the following...

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  6. Which of the following will give green hydrated ions -

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  7. In first transition series, the melting point of Mn is low, because -

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  8. Mercury is a liquid metal because -

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  9. The colour of light observed by an aqueous solution of CuSO(4) -

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  10. Silver nitrate is supplied in coloured bottles because it is -

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  11. Which of the following is used as indelible ink -

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  12. Green vitriol is -

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  13. A metal gets coated with a green basic carbonate when exposed to moist...

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  14. The colour of cuprous chloride is -

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  15. The element which forms ions in dimeric state is -

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  16. The general electronic configuration of third row transition elements ...

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  17. Which of the following is the Mohr's salt -

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  18. German silver contains -

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  19. Which of the following statements is / are correct with reference to f...

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  20. Which of the following compound is not coloured -

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