Advertisements
Advertisements
प्रश्न
How would you explain the fact that the second ionisation potential is always higher than the first ionisation potential?
Advertisements
उत्तर
- Second ionization potential is always higher than the first ionization potential.
- Removal of one electron from the valence orbit of a neutral gaseous atom is easy so first ionization energy is less. But from a uni positive ion, removal of one more electron becomes difficult due to the more forces of attraction between the excess of protons and less number of electrons.
- Due to greater nuclear attraction, second ionization energy is higher than first ionization energy.
APPEARS IN
संबंधित प्रश्न
In the third period the first ionization potential is of the order.
Which one of the following arrangements represent the correct order of least negative to most negative electron gain enthalpy
Which of the following is the second most electronegative element?
IE1 and IE2 of Mg are 179 and 348 kcal mol−1 respectively. The energy required for the reaction \[\ce{Mg -> Mg^2+ + 2e^-}\] is
What are isoelectronic ions? Give examples.
In what period and group will an element with Z = 118 will be present?
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.
First ionisation potential of the C-atom is greater than that of the B atom, whereas the reverse is true is for the second ionisation potential.
State the trends in the variation of electronegativity in groups and periods.
