Why does second electron affinity is usually taken as positive?
najam saroya , 8 Years ago
Grade 12
Inorganic Chemistry> Why does second electron affinity is usua...
1 Answersharman
bcz when we add one electron then we add it to a neutral molecule O2 but after addition of one electron O2 becomes O2- so when another electron electron is added there are repulsions between them so the value of EA becomes less negative
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