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Which of the following elements have +3 ...

Which of the following elements have `+3` as most popular oxidation state?

A

`AI`

B

`Xe`

C

`Cu`

D

`Sc`

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The correct Answer is:
A, D
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RESONANCE-PERIODIC TABLE & PERIODICITY-Exercise
  1. Which of the following have greater Z(eff) than Zn:

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  2. Which of the following is/are correct regarding oxidation state of ele...

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  3. Which of the following elements have +3 as most popular oxidation stat...

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  4. Which of the following compounds are found to exist (General formula o...

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  5. Which of the following show non-zero multiple oxidation state?

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  6. Which of the following pairs of elements show similar set of oxisation...

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  7. Which of the following elements have their lower oxidation state as mo...

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  8. Which is /are the correct order/s of atomic radius?

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  9. Which is/are the correct order/s of atomic radius?

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  10. Which of the following orders is (are) correct for size:

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  11. The ionic radii depends upon in the following factors:

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  12. Which of the following statements is/are correct?

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  13. Those elements impart colour to the flame on heating in it, the atoms ...

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  14. Which of the following elements will gain one electron radily in compa...

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  15. Which of the following is/are correct order/s of electron affinity.

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  16. Order of Electron affinity of the elements or ions shown correctly?

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  17. Which of the following is correct order of Electron negativity:

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  18. Choose the correct statements(s):

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  19. In the modern periodic table, elements are arranged in order of increa...

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  20. In the modern periodic table, elements are arranged in order of increa...

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