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The set representing the correct order of first ionisation potential is- K Be>Mg>Ca B>C>N Ge>Si>C

The set representing the correct order of first ionisation potential is-
  1. K
  2. Be>Mg>Ca
  3. B>C>N
  4. Ge>Si>C

Grade:12th pass

1 Answers

Vikas TU
14149 Points
5 years ago
In the period the ionisation potential increases 
and in the group it decreases.
thus,
Be Mg and Ca are in group
therefore othe order is correct.

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