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प्रश्न
Which of the following orders of ionic radii is correct?
पर्याय
H− > H+ > H
Na+ > F− > O2−
F > O2− > Na+
None of these
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उत्तर
None of these
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संबंधित प्रश्न
Various successive ionisation enthalpies (in kJ mol-1) of an element are given below.
| IE1 | IE2 | IE3 | IE4 | IE5 |
| 577.5 | 1,810 | 2,750 | 11,580 | 14,820 |
The element is
The element with positive electron gain enthalpy is
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Is the definition given below for ionisation enthalpy is correct?
"Ionisation enthalpy is defined as the energy required to remove the most loosely bound electron from the valence shell of an atom"
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How would you explain the fact that the second ionisation potential is always higher than the first ionisation potential?
Explain the Pauling method for the determination of ionic radius.
Explain the following, give an appropriate reason.
Ionisation potential of N is greater than that of O
Explain the following, give an appropriate reason.
The electron affinity values of Be and Mg are almost zero and those of N (0.02 eV) and P (0.80 eV) are very low.
