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How many unpaired electrons ae in a Fe^(...

How many unpaired electrons ae in a `Fe^(2+)` ion in the ground state?

A

0

B

2

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
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RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -National Standard Examination In chemistry
  1. Europium forms stable Eu^(2+) ions because

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  2. Which of these ions is expected to be colored in aqeous solution? [...

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

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  4. Which of the following transition metal ions is colourless ?

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  5. The compound with the lowest oxidation state is:

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

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

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  8. What happens when (write balanced chemical equations only) Dry chlor...

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  9. Highest magnetic moments, shown by the transition metal ion with the ...

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  10. The compound in which Mn has oxidation state of +3 is

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  11. Lanthanoid contraction is caused due to:

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  12. Which of the following ion is colourless?

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

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  14. Which of the following weighs less when weighed in magnetic field?

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

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  16. One of the consituents of German silver is

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  17. A mixture of acidified K(2)Cr(2)O(7) and 10% Kl is titrated against a...

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  18. The ions from among the following which are colourless are : (i)Ti^(...

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  19. Bell-metal is an alloy of

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  20. Europium (Eu) and Terbium (Tb) attain stable 4f^(7) configuration by e...

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