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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

Which of the following has the highest electron affinity?

Answer: (D)

Solution

Although F, O and N belong to period 2, their electron affinities are lower than expected because their small atomic size causes significant electron-electron repulsion when an extra electron is added, and N additionally has an extra-stable

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Question ID VK-133284