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Which of the following ions is paramagne...

Which of the following ions is paramagnetic ? `Sc^(3+)(Z=21), Cu^(+)(Z=29)`

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Electronic configuration of `Sc^(3+) : [Ar]3d^(0)4s^(0)`.
Electronic configuration of `Cu^(+):[Ar]3d^(10)4s^(0)`
Neither of the ions are paramagnetic, since they do not contain any unpaired electron.
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -QUESTION - ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
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  3. Which of the following ions is paramagnetic ? Sc^(3+)(Z=21), Cu^(+)(Z=...

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  5. Decide which of the given atomic numbers are the atomic numbers of the...

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  6. Arange the following oxides in the order of their increasing basicity ...

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  7. What do you mean by disproportionation reaction. Give two examples.

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  8. Why do transition metals form alloys easily ?

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  9. Transition elements form interstitial compounds. Why ?

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  10. In the quantitative volumetric analysis, why is K(2)Cr(2)O(7) preferre...

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  12. Write the trends : Melting points of the transition elements in each s...

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  13. Write the trends : The atomic radius of the inner transition elements ...

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  14. What happens when KMnO(4) reacts with conc. HCl ?

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  15. What happens when hydrogen sulphide is added to acidified potassium di...

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  17. Explain why iron is a transition metal but sodium is not.

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  18. Chromium is a typical hard metal, while mercury is a liquid, Explain.

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