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Identify the metal that forms colourless...

Identify the metal that forms colourless compounds.

A

Iron (Z = 26)

B

Chromium (Z = 24)

C

Vanadium (Z = 23)

D

Scandium (Z = 21)

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Which of the following statement regarding lanthanides is false?

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  2. How is sodium chromate converted into sodium dichromate, in the manufa...

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  3. Identify the metal that forms colourless compounds.

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  4. What is the general molecular formula of the products obtained on heat...

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  5. Choose the wrong statement in the following:

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  6. In aqueous solution, Cr^(2+) is stronger reducing agent than Fe^(2+). ...

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  7. Choose the correct matching of transition metal ion and magnetic momen...

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  8. The bivalent metal ion having maximum paramagnetic behaviour is

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  9. When a brown compound of manganese (A) is treated with HCl it gives a ...

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  10. Why are Mn^(2+) compounds more stable than Fe^(2+) compounds towards o...

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

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  12. Blue solution of CuSO4 on treatment with excess KCN give colourless so...

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  13. Consider a titration of potassium dichromate solution with acidified M...

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  14. Among the following, The coloured compound is

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  15. The complex showing a spin only magnetic moment of 2.82 B.M. is

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  16. The colour of light absorbed by an aqueous solution of CuSO4 is

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  17. Which of the following pairs have almost similar atomic radii ?

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  18. Which of the following ions are colourless ?

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  19. Which of the following ions have same number of unpaired electrons ?

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  20. Which of the following statements is/are wrong ?

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