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The first (DletaH) and second ionisation...

The first `(DletaH)` and second ionisation enthalipies `(DeltaH_(2))` in `kJmol^(-1)` and the electron gain enthalpy `(DeltaHg)` in `kJmol^(-1)` of a few elements are given below:

 Which element is likely
a) the least reactive element
c) the most reactive non-metal
b) the most reactive metal
d) the least reactive non-metal
f) the metal which can form a predominantly stable covalent halide of the formula MX.

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`a-V, b-II, c-III, d-IV, e-VI and f-I`
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AAKASH SERIES-PERIODIC TABLE-QUESTIONS FOR DESCRIPTIVE ANSWERS
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  10. Ionisation enthalpy of chlorine is "13 eV atom"^(-1) Electron gain ent...

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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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