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QJEEM20Chad59: JEE Main 2020 Chemistry - Class 11 JEEM20Chad59 Solution: The first ionization energy (in kJ/mol) of Na, Mg, Al and Si…
The first ionization energy (in kJ/mol) of Na, Mg, Al and Si respectively, are :
Multiple Choice Options
- A 496, 577, 786, 737
- B 496, 737, 577, 786
- C 786, 737, 577, 496
- D 496, 577, 737, 786
Step-by-Step Verified Solution
Elecronic configuration of Na = [Ne] 3s1
Mg = [Ne] 3s2
Al = [Ne] 3s23p1
Si = [Ne] 3s23p2
Correct order is :
Na
Mg = [Ne] 3s2
Al = [Ne] 3s23p1
Si = [Ne] 3s23p2
Correct order is :
Na