{"knowledge_schema": {"broad_category": "Chemistry \u2192 Chemical Reactions \u2192 Molecular Symmetry", "refinement": "This problem involves understanding the molecular structure and symmetry of a compound formed through a series of chemical reactions.", "specific_scope": "The focus is on determining the molecular symmetry group of compound V, which is produced from the reaction of compound Z with gas W.", "goal": "Identify the correct molecular symmetry group from the given options based on the characteristics of compound V."}, "summary": "This problem explores the concept of molecular symmetry in chemistry, specifically focusing on the symmetry group of a compound formed through a series of reactions. The task is to analyze the structure of compound V, which is produced from the reaction of compound Z with gas W, and determine its molecular symmetry group from the provided options. The correct answer is C2v, indicating a specific type of symmetry in the molecular structure of compound V."}