Which of the following is correct for the electron affinity of halogens?

The electron gain enthalpy values (in $kJ \ mol^{-1}$) of three halogens $X$,$Y$ and $Z$ are respectively $-349$,$-333$ and $-325$. Then $X$,$Y$ and $Z$ are respectively

Which of the following statements is incorrect?

If the electron affinity of an element $M$ is $x \ kJ/mol$,then the ionisation potential of this element is:

The electron gain enthalpy (in $kJ/mol$) of fluorine,chlorine,bromine and iodine,respectively,are:

The correct order of increasing electron affinity of the following elements is