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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

Which element has maximum electron affinity?

Answer: (D)

Solution

Electron affinity generally increases across a period as atoms become more willing to accept an extra electron to approach a stable configuration. Na has a mildly favourable electron affinity, Mg (filled 3s²) and Al have

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Question ID VK-133298