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Identify the incorrect statement among t...

Identify the incorrect statement among the following

A

La and Lu have partially filled 'd' orbitals and no other partially filled orbitals

B

The chemistry of various lanthanoids is very similar

C

4f and 5f orbitals are equally shielded

D

d-block elements show irregular and erratic chemical properties among themselves

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-REVISION EXERCISE -d-BLOCK ELEMENTS
  1. Which among FeO and Fe2O3 is more basic?

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  2. Which of the following properties would you not expect copper to exhib...

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  3. Identify the incorrect statement among the following

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  4. The complex K3[Fe(CN)6] should have a spin only magnetic moment of

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  5. The pair of the compounds in which both the metals are in the highest ...

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  6. In which of the following complexes the metal ion is in zero oxidation...

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  7. Which of the following is diamagnetic?

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  8. Which one of the following sets correctly represents the increase in t...

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  9. In the complex [Ni(H2O)2 (NH3)4]^(2+) the number of unpaired electron...

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  10. Heat of atomization of zinc is lowest among 3d block elements due to

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  11. The positive standard reduction potential of Cu^(+2)/ Cu electrode is ...

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  12. The observed and calculated E^0 values for M^(+2)/M are same for

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  13. When a large amount of KMnO4 is added to concentrated H2SO4, an explos...

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  14. Reaction of KMnO4 in neutral or very weakly acidic solution can be rep...

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  15. When KMnO4 is added to oxalic acid, the decolourisation is slow in the...

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  16. A solution of potassium chromate is treated with an excess of dilute n...

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  17. K2Cr2O7 cannot be used for

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  18. When acidified solution of potassium dichromate is shaken with aqueous...

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  19. The blue colour produced on adding hydrogen peroxide to acidified K2Cr...

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  20. Which of the following metals is known to form acidic oxide

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