Discussion Forum : Periodic Classification Of Elements
Question - Which of the following transitions involves maximum amount of energy change?
Options:
A .  M−(g) → M(g)
B .  M(g) → M+(g)
C .  M+(g) → M2+(g)
D .  M2+​(g) → M3+​(g)
Answer: Option D
:
D
More energy is required to remove an electron from acation with a higher positive charge.

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