Which of the following transitions involves maximum amount of energy

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M−(g)→M(g)

M(g)→M+(g)

M+(g)→M2+(g)

M2+(g)→M3+(g)

answer is D.

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Detailed Solution

M2+→M3− After the removal of 2e− the nuclear charge per e- increases, due to which high energy is required to remove 3rd e-.

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