JEE Main 2024 Chemistry question
The electron affinity value are negative for: A. Be → Be⁻ B. N → N⁻ C. O → O²⁻ D. Na → Na⁻ E. Al → Al⁻ Choose the most appropriate answer from the options given below:
Answer: (D)
Solution
Be (filled 2s), N (half-filled 2p) and O⁻ → O²⁻ (repulsion) do not release energy on gaining an
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