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Few transition elements show +1 oxidatio...

Few transition elements show `+1` oxidation state. Explain. 

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(Hint: `ns^(1)` configuration)
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AAKASH SERIES-PERIODIC TABLE-QUESTIONS FOR DESCRIPTIVE ANSWERS
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  2. Alkali metals are good reductants and halogens are good oxidants. Why?

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  3. Comment on the following : (a) vertical relationship of elements, (b...

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  4. How many periods are needed to accommodate all elements up to Z value ...

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  5. How is polarisation power useful in explaining the diagonal relationsh...

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  7. The energy required for the following process is 1.96 xx 104" kJ mol"^...

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  8. Compare the ionisation potentials of He and He^(+). Account for the di...

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  9. Bond energies of H2, F2 and HF are respec tively 104.2, 36.6 and 134.6...

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  10. Ionisation enthalpy of chlorine is "13 eV atom"^(-1) Electron gain ent...

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  11. Be forms Be^(2+) and Al^(3+) forms Al^(3+). If the radii of Be^(2+) an...

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  12. Among F((g))^(-),Cl((g))^(-0),Br((g))^(-) and I((g))^(-),  which one r...

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  13. Among Li(g), Cs(g), Cl(g) and Cl((g))^(-)  which one requires the leas...

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  14. If we assumed that each orbital can accomidate three electrons, then c...

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  15. An element with the electronic configuration [Xe] 6s^(2)4f^(14)5d^(1) ...

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  16. Calculate the IP(3) of lithium.

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  17. H-H and Cl-Cl bond length are 0.74Å and 1.98Å What is the approximate ...

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  18. X and Y are two univalent elements. In order to form electrovalent com...

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  19. Few transition elements show +1 oxidation state. Explain.

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  20. The first (DletaH) and second ionisation enthalipies (DeltaH(2)) in kJ...

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