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QJEEM13Ch90fb: JEE Main 2013 Chemistry - Class 11 JEEM13Ch90fb Solution: Which of the following represents the correct order of…
Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar?
Multiple Choice Options
- A S < Se < Ca < Ba < Ar
- B Ba < Ca < Se < S < Ar
- C Ca < Ba < S < Se < Ar
- D Ca < S < Ba < Se < Ar
Step-by-Step Verified Solution
Those elements are present in periodic table like this -
In periodic table,
1. From left to right ionization energy increases.
2. From top to bottom ionization energy decreases.
Ba < Ca < Se < S < Ar
| Group 2 | Group 16 | Group 18 | |||
|---|---|---|---|---|---|
| Period 3 | Ca | .......... | S | ......... | Ar |
| Period 4 | Se | ||||
| Period 5 | Ba |
In periodic table,
1. From left to right ionization energy increases.
2. From top to bottom ionization energy decreases.
Ba < Ca < Se < S < Ar