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The 3d metal ions form coloured compound...

The `3d` metal ions form coloured compounds because the energy corresponding to the following lies in the visible range of electromagnetic spectrum

A

Free energy change of complex formation by `3d` metal ions

B

d-d transitions of `3d` electrons

C

Heat of hydration of `3d` metal ions

D

Ionisation energy of `3d` metal ions

Text Solution

Verified by Experts

The correct Answer is:
B
`d-d` trasnition of `3d` electrons.
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A2Z-THE D AND F BLOCK ELEMENTS-Section D - Chapter End Test
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  2. Which one of the following ionic species will not impart colour to an ...

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  3. The 3d metal ions form coloured compounds because the energy correspon...

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  4. Identify the transition element

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  5. Potassium permanganate acts as an oxidant in neutral, alkaline as well...

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  6. In acidic medium potassium dichromate acts as on oxidant according to ...

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  7. AgCl dissolves in a solution of NH(3) but not in water because

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  8. Verdigris is

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  9. Light green crystals of ferrous sulphate lose water molecules and turn...

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  10. Among TiF(6)^(2-), CoF(6)^(3-), Cu(2)C1(2) and NiC1(4)^(2-) (At. No. T...

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  11. Potassium permanganate works as oxidising agent both in acidic and bas...

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  12. Which method of parification is represented by the following equation...

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  13. Which of the following sulphides when heated strongly in air gives the...

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  14. Guignet's green is known as

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  15. Excess of KI reacts with CuSO(4) solution and Na(2)SO(3) solution is a...

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  16. When concentrated sulphuric acid is added slowly to a solution of ferr...

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  17. Railway wagon axles are made by heating rods of iron embedded in charc...

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  18. A blue colouration is not obtained when

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  19. General configuration of outermost and penultimate shell is (n - 1) s^...

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  20. KMnO(4) reacts with ferrous ammonium sulphate according to the equatio...

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