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Question

M(g)M+(g)+e,ΔH=100eV
M(g)M2+(g)+2e,ΔH=250eV
which is incorrect statement?

A
I1 of M(g) is 100 eV
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B
I1 of M+(g) is 150 eV
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C
I2 of M(g) is 250 eV
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D
I2 of M(g) is 150 eV
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Solution

The correct option is B I2 of M(g) is 250 eV
ΔH
M(s)I1M+(g)+e 100 eV
M(g)I1+I2−−M2+(g)+2e 250 eV
M(g)+I1M(g)+2 150 eV
Thus, M+(g)I2M2+(g)+e 150 eV
as I1 of M+(g) is I2 of M(g)

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