Explanation:

“Impunity” means exemption from punishment or freedom from the injurious consequences of an action. Therefore, the set of words that reflect the antonyms of the given highlighted word is “Incarceration: Captivity”. Hence, option (c) is the most suitable answer choice.
Livid means furiously angry.
Morbid means characterized by an abnormal and unhealthy interest in disturbing and unpleasant subjects, especially death and disease.
Dispensation means exemption from a rule or usual requirement.
Incarceration means the state of being confined in prison; imprisonment.
Nullify means make of no use or value; cancel out
Captivity means the condition of being imprisoned or confined.
Salvation means preservation or deliverance from harm, ruin, or loss.
Incongruous means not in harmony or keeping with the surroundings or other aspects of something.
Kindred means similar in kind; related.
Obsessive means of the nature of an obsession.