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Why are transition elements with d^(1) e...

Why are transition elements with `d^(1)` electronic configuration not stable ?

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The elements with `d^(1)` configuration have a very strong tendency to lose an electron and attain the highly stable `d^(0)` configuration. Hence, the `d^(1)` elements are highly unstable and readily undergo oxidation or disproportionation reaction.
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -QUESTION - ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
  1. Fe^(2+) has a greater tendency to attain the + 3 oxidation state as co...

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  2. What is the main difference between the lanthanoids and the actinoids ...

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  3. Why are transition elements with d^(1) electronic configuration not st...

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  4. Why are properties of transition elements of the same series similar, ...

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  5. Both representative as well as transition elements exhibit variable ox...

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  6. Atomic radii of the transition elements do not decrease significantly,...

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  7. Calculate the 'spin only' magnetic moment of M^(2+)(aq)[Z=27] ion.

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  8. Arrange the following oxides in the order of their increasing acidity ...

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

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  10. Name any two oxoanions of transition elements in which the oxidation s...

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

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

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

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  14. Why do transition metals form alloys easily ?

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  15. Transition elements form interstitial compounds. Why ?

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

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  17. Name the product formed on heating potassium permanganate. Write the b...

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

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

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

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