Chemical reaction to chlorine

Chlorine reactions may include itchy, red skin or hives (itchy bumps). This is not an allergy but is actually "irritant dermatitis" (like a chemical burn), caused by hypersensitivity to this natural irritant. Chlorine is also drying to the skin and can irritate existing dermatitis.

Explanation:

the electronic configuration of an atom with eight electrons is 1s²2s²2p⁴. the orbital diagrams are shown in the figure.

as per the hunds rule:

1. electrons tend to avoid being in the same orbital as per as practicable.

2. electrons in different orbitals of the same energy will have their spin parallel.

this can be illustrated from the multiplicity of the orbitals of the atom. as there are four electrons in the p orbital and p orbital has 3 sub-shells. the electrons can be fed in different ways as shown in the figure but the correct orbital diagram will be as per the hunds rule.

the answer is definitely c.