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- Identify the correct statement among the following:Option: 1 The second ionisation potential of Mg is greater than that of Na
- #Joint Entrance Examination Main
- #Engineering
- #Classification of Elements and Periodic table
- #National Eligilibility Cum Entrance Test
- #Chemistry
Identify the correct statement among the following:
Option: 1
The second ionisation potential of Mg is greater than that of Na
Option: 2
The third ionisation potential of Mg is greater than that of Al
Option: 3
The first ionisation potential of Cs is greater than that of K
Option: 4
The first ionisation potential of Mg is lesser than that of Ca
Answers (1)
The ionisation potential increases in a period and decreases down the group. In this case, the third ionisation potential of Mg is greater than that of Al because for third ionisation energy, we have to remove an electron from the second shell but for aluminium, the electron is to be removed from the third shell.
Therefore, Option(2) is correct
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