st","extracted_subject":"CHEMISTRY","extracted_chapter":"THE P- BLOCK ELEMENTS","extracted_topic":"OXOACIDS OF SULPHUR","questionPreviewUrl":"https://cdn.pureessence.tech/question-previews/packed_canvases/canvas_1230.png?top_left_x=1064&top_left_y=0&width=532&height=219&app=solveeit"},"seo_metadata":{"keywords":[]},"doubt_solver_data":{"concept_summary":[]},"embeddings":[],"is_hidden":false,"_id":"66d23e6a425d76b7ab318522","slug":"what-is-true-about-hsub2subssub2subosub7sub-","content":"What is true about H₂S₂O₇ ?","options":[{"_id":"68e038b48c3e555ae9ef2b1e","text":"It is obtained by dissolution of SO₃ in water","sequence":0,"isCorrect":false},{"_id":"68e038b48c3e555ae9ef2b1f","text":"It is obtained by dissolution of SO₃ in conc. H₂SO₄","sequence":1,"isCorrect":true},{"_id":"68e038b48c3e555ae9ef2b20","text":"It is called peroxydisulphuric acid","sequence":2,"isCorrect":false},{"_id":"68e038b48c3e555ae9ef2b21","text":"It contains one O¾O bond in its molecule","sequence":3,"isCorrect":false}],"correct_answer":"It is obtained by dissolution of SO₃ in conc. H₂SO₄","explanation":"SO₃ + H₂SO₄ ¾® H₂S₂O₇ (oleum)","question_type":"single_choice","appeared_in":[],"created_at":"2024-08-30T21:49:30.771Z","__v":0,"vector_store_id":"2dd00308-5766-46d9-91ab-8fbde2ee8fca","updated_at":"2024-08-30T21:49:30.771Z","isStarred":false},"params":{"questionSlug":"what-is-true-about-hsub2subssub2subosub7sub-"}}]}]]

Question: What is true about H<sub>2</sub>S<sub>2</sub>O<sub>7</sub> ?...

Solution