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Grade: 10
        The incorrect statement among the following is 

a. The first ionization potential of A1 is less than the first ionization potential of Mg
b. The second ionization potential of Mg is greater than the second ionization potential of Na
c. The first ionization potential of Na is less than the first ionization potential of Mg
d. The third ionization potential of Mg is greater than third ionization potential of Na
4 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
471 Points
							Sol. (a) Correct statement : In a period, element of 2ndgroup ahs higher first ionization potential than element group of 13.
(b) Incorrect statement : Mg+ required less energy for further ionization than Na+ because of noble gas configuration of Na+.
(c) Correct statement : Ionization energy increases from left to right in a period.
(d) Correct statement : Mg2+ has noble gas configuration, require greater energy for further ionization than Na2+.

						
4 years ago
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