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Ionization Enthalpy

Which of the ...

Question

Which of the following transitions involves maximum amount of energy change?

M-(g) =M(g)

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M(g) =M+(g)

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M+(g) =M2+(g)

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M2+(g) = M3+(g)

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Solution

The correct option is D
M2+(g) = M3+(g)

More energy is required to remove an electron from a cation with a higher positive charge.

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Which of the following transitions involves maximum amount of energy -

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