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प्रश्न
The First ionisation potential of Na, Mg and Si are 496, 737 and 786 kJ mol-1 respectively. The ionisation potential of Al will be closer to
विकल्प
760 kJ mol-1
575 kJ mol-1
801 kJ mol-1
419 kJ mol-1
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उत्तर
575 kJ mol-1
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संबंधित प्रश्न
The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called ________.
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
The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively
What is the effective nuclear charge?
Magnesium loses electrons successively to form Mg+, Mg2+ and Mg3+ ions. Which step will have the highest ionisation energy and why?
In what period and group will an element with Z = 118 will be present?
Why the first ionisation enthalpy of sodium is lower than that of magnesium while its second ionisation enthalpy is higher than that of magnesium?
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.
