When the first electron gain enthalpy (
egH) of oxygen is −141 kJ/mol, its second electron gain enthalpy is:
a.
almost the same as that of the first
b.
negative , but less negative than the first
c.
a positive value
d.
a more negative value than the first
egH) of oxygen is −141 kJ/mol, its second electron gain enthalpy is:a.
almost the same as that of the first
b.
negative , but less negative than the first
c.
a positive value
d.
a more negative value than the first
Question ID - 51993 | SaraNextGen Top Answer When the first electron gain enthalpy (egH) of oxygen is −141 kJ/mol, its second electron gain enthalpy is:
a.
almost the same as that of the first
b.
negative , but less negative than the first
c.
a positive value
d.
a more negative value than the first
When the first electron gain enthalpy (egH) of oxygen is −141 kJ/mol, its second electron gain enthalpy is:
|
a. |
almost the same as that of the first |
b. |
negative , but less negative than the first |
|
c. |
a positive value |
d. |
a more negative value than the first |
1 Answer
127 votes
Answer Key / Explanation : (c) -
Second electron gain enthalpy is always positive for every element.
O− (g)+ e−
O−2(g), 
H=positive.
127 votes
Answer Link
127