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Which of the following statements concer...

Which of the following statements concerning transition elements is false?

A

They are all metals

B

They easily form coordination compounds

C

Their ions are mostly coloured

D

They show multiple oxidation states always differing by two units.

Text Solution

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The correct Answer is:
D
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RESONANCE-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -National Standard Examination In chemistry
  1. The cation containing maximum number of unpaired electrons is

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  2. Chromium has the lowest oxidation state in

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  3. Which of the following statements concerning transition elements is fa...

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  4. The magnetic moment of MnSO(4).4H(2)O is:

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  5. Which two of the following reactions are possible? (i) FeCl(3)+SnCl(...

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  6. Europium forms stable Eu^(2+) ions because

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  7. Which of these ion is expected to be coloured in aqueous solution? [...

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  8. How many unpaired electrons are in a Fe^(2+) ion in the ground state?

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  9. In which of the following transition metal ion complexes, the colour i...

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  10. The compound with the lowest oxidation state of iron is:

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  11. The aqua ion which will be almost colorless is-

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  12. MnO(4)^(-) is of intense pink colour, though Mn is in(+7) oxidation st...

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  13. The product formed when chlorine gas is passed over hot iron is-

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  14. The highest magnetic moments is shown by the transition metal ion wit...

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  15. The compound in which Mn has oxidation state off +3 is

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  16. Lanthanide contraction is caused due to -

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  17. Which of the following ion is colourless?

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  18. The lanthanide compound which is used as a most powerful liquid laser ...

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  19. Which of the following weighs less when weighed I magnetic field?

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  20. In which of the following compounds, the oxidation number of the start...

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