Question
The second ionization potentials in electron volts of oxygen and fluorine atoms are respectively given by?
Answer: Option C
:
C
Second ionization potential is the energy required to remove an electron from a uni-positively charged ion.
Let's look at the electronic configurations.
O →2,6
O+ → 2,5
F → 2,7
F+ → 2,6
I.P1
O → O+ F →F+
I.P2
O → O2+ F+→F2+
I.P1 of F>O as fluorine has smaller atomic size as compared to O.
I.P2 of O>F as O+ as it is harder to ionise the O+ compared to F+.
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:
C
Second ionization potential is the energy required to remove an electron from a uni-positively charged ion.
Let's look at the electronic configurations.
O →2,6
O+ → 2,5
F → 2,7
F+ → 2,6
I.P1
O → O+ F →F+
I.P2
O → O2+ F+→F2+
I.P1 of F>O as fluorine has smaller atomic size as compared to O.
I.P2 of O>F as O+ as it is harder to ionise the O+ compared to F+.
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