Question:medium

The set representing the correct order of first ionisation potential is

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Ionisation energy decreases down a group and generally increases across a period, with exceptions for groups 15 (half-filled stability) and 16.
Updated On: Apr 8, 2026
  • \( K>Na>Li \)
  • \( Be>Mg>Ca \)
  • \( B>C>N \)
  • \( Ge>Si>C \)
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The Correct Option is B

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