Which of the following forms the most stable anion in the gas phase?
A)Cl (electron affinity = -349 kJ/mol)
B)S (electron affinity = -200 kJ/mol)
C)O (electron affinity = -141 kJ/mol)
D)C (electron affinity = -122 kJ/mol)
E)P (electron affinity = -72 kJ/mol)

Question

Quizplus · Accepted Answer

The more negative the electron affinity, the more stable the anion. Among the given options, Cl has the highest electron affinity (-349 kJ/mol), making it the most stable anion in the gas phase.

Which of the Following Forms the Most Stable Anion in the Gas