Which of the following will have the least negative electron gain enthalpy?

Question

Which of the following will have the least negative electron gain enthalpy? (A) P (B) S (C) Cl (D) F

Tardigrade Admin · Accepted Answer

Adding an electron to the 3 p3 stable orbital leads to greater repulsion than adding an electron to the 3 p4 orbital. Hence, phosphorus has the least negative electron gain enthalpy.

Q. Which of the following will have the least negative electron gain enthalpy?

P

S

Cl

F

Adding an electron to the $3 p^{3}$ stable orbital leads to greater repulsion than adding an electron to the $3 p^{4}$ orbital. Hence, phosphorus has the least negative electron gain enthalpy.

Q. Which of the following will have the least negative electron gain enthalpy?

P

S

Cl

F

Adding an electron to the 3p3 stable orbital leads to greater repulsion than adding an electron to the 3p4 orbital. Hence, phosphorus has the least negative electron gain enthalpy.

Adding an electron to the $3 p^{3}$ stable orbital leads to greater repulsion than adding an electron to the $3 p^{4}$ orbital. Hence, phosphorus has the least negative electron gain enthalpy.