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Generally transition elements form colou...

Generally transition elements form coloured salts due to the presence of unpaired electrons, Which of the following compounds will be coloured in solid state ?

A

`Ag_2SO_4`

B

`CuF_2`

C

`ZnF_2`

D

`Cu_2Cl_2`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. The electronic configuration of Cu (II) is 3d^9 whereas that of Cu (I)...

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

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

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

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

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

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  7. Calculate the formal charge on C in C Cl4

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  8. Draw lewis structure of ozone

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

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

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

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

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

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

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

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  16. Which of the following statements is not correct ?

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

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  18. Maximum oxidation number of manganese is in

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

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  20. Write one oxidising reaction of KMnO4 in basic medium.

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