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Tardigrade
Question
Chemistry
Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species ?
Q. Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species ?
1945
252
UPSEE
UPSEE 2007
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A
Cl
<
F
<
S
<
O
B
O
<
S
<
F
<
Cl
C
S
<
O
<
Cl
<
F
D
F
<
Cl
<
O
<
S
Solution:
The correct order of electron gain enthalpy (electron affinity) is
O
<
S
<
F
<
Cl
Element
Electron affinity
O
1.48
S
2.07
F
3.45
Cl
3.61
in
e
V