Ionisation enthalpy of Na would be same as

Options

A. value of electron affinity of `Na^(+)`
B. value of electronegativity of Na
C. value of ionisation potential of Mg
D. value of electron affinity of Na

Explanation

`Na rarr Na^(+)+e^(-)`
`Na^(+)+e^(-) rarr -X , Delta_(eg)=-IE`