1.

Consider the following ionization energies for a metal M M_((g)) to M_((g))^(+)+e^(-) , DeltaH=+580 kJ/mole M_((g))^(+) to M_((g))^(2+) + e^(-), DeltaH =+1815 kJ/mole M_((g))^(2+) to M_((g))^(3+) + e^(-) , DeltaH=+2740 kJ/mole M_((g))^(3+) + M_((g))^(4+) + e^(-) , DeltaH= + 11600 kJ/mole Select correct order.

Answer»

`M_((g))^(2+) lt M_((g))^(4+)` (size)
`M_((g))^(4+) lt M_((g))^(3+)` (ionization energy )
`M_((g)) lt M_((g))^(+)` (ELECTRON AFFINITY)
`M_((g))^(3+) lt M_((g))^(2+)` (Z/e RATIO)

Answer :C


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