[Solved] Which of the following compounds contain an ester functional group? A) I B) II C) III D) IV E) Both I & IV Autoerotic Asphyxia: A dangerous sexual practice involving self-induced suffocation to heighten pleasure during masturbation. Visual Signs: Observable indicators or symptoms that can be seen visually, often critical for diagnosis in medical and other fields. Voyeuristic: Relating to or characterized by an interest in observing unsuspecting individuals, typically for sexual gratification. Activities: Tasks or actions that individuals engage in, often for leisure or to accomplish a specific goal.