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

Choose the correct order of $\Delta H_{eg}$ ?
$(\Delta H_{eg} = \text{electron gain enthalpy})$

In which of the following processes is the least energy required?

Halogens have maximum negative electron gain enthalpy in the respective periods of the periodic table. Why?

Arrange $N$,$O$,and $S$ in order of decreasing electron affinity.

Evaluate the following statements regarding electron affinity $(EA)$:
$A$. Carbon is greater than fluorine
$B$. Sulphur is lesser than fluorine
$C$. Iodine is higher than bromine
$D$. Chlorine is greater than sulphur
Select the correct sequence of truth values ($T$ for true,$F$ for false):