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Metallic radii of some transition elemen...

Metallic radii of some transition elements given below.

Which of these elements will have highest density ?

A

Fe

B

Ni

C

Co

D

Cu

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Electronic configuration of a transition element X in +3 oxidation s...

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  2. The electronic configuration of Cu (II) is 3d^9 whereas that of Cu (I)...

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  3. Metallic radii of some transition elements given below. Which of t...

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  4. Generally transition elements form coloured salts due to the presence ...

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  5. On addition of small amount of KMnO4 to concentrated H2SO4, a green oi...

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  6. The magnetic nature of elements depend on the presence of unpaired e...

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  7. Which of following oxidation state is common for all lanthanide ?

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  8. Calculate the formal charge on C in C Cl4

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  9. Draw lewis structure of ozone

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  10. There are 14 elements in actinoid series. Which of the following eleme...

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  11. The number of moles of KMnO4 that will be needed to react with one ...

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  12. Which of the following is amphoteric oxide? Mn2O7, CrO3, Cr2O3, CrO, V...

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  13. Gadolinium belongs to 4f series. Its atomic number is 64. Which of the...

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  14. Interstitial compounds are formed when small atoms are trapped inside ...

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  15. Find the magnetic moment of Cr^(2+)

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  16. WhenI^(-) is oxidised by MnO4^(-) in alkaline medium, I^(-) converts ...

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  17. Which of the following statements is not correct ?

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  18. When acidified K2Cr2O7 solution is added to Sn^(2+) salts than Sn^(2+...

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  19. Maximum oxidation number of manganese is in

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  20. Why do elements in the same group have similar physical and chemical p...

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