[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-348166-105":59,"doc-detail-348166-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","chem-124-pal-worksheet-proton-nmr-and-combined-practice-problems","Chem 124 - PAL Worksheet: Proton NMR and Combined Practice Problems","","Worksheet instructions require students to write answers on separate sheets and interpret 1H NMR data for multiple molecular formulas. For each listed compound, learners must determine the expected number of proton NMR signals, assign signal patterns such as singlet, doublet, triplet, quartet, sextet, and multiplets, and then propose structures consistent with the spectral data. Additional problems request structures based on simplified one-signal 1H NMR formulas and a final multimodal prompt integrating IR, mass spectrometry, 1H NMR, 13C NMR, and formula information.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/chem-124-pal-worksheet-proton-nmr-and-combined-practice-problems/348166/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/chem-124-pal-worksheet-proton-nmr-and-combined-practice-problems/348166.png","ImageObject",300,407,{"name":92,"@type":93},"Himbo","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-07","2026-09-22",true,{"@type":102,"interactionType":103,"userInteractionCount":39},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are the required outputs for each compound in the 1H NMR problems?","Question",{"text":112,"@type":113},"Determine how many signals appear in the 1H NMR spectrum for each listed formula, then propose a structure consistent with the given signal patterns and integrals.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How should students treat the compounds that give only one signal in the 1H NMR spectrum?",{"text":117,"@type":113},"For each formula, propose a structure whose proton environment produces a single type of proton signal, matching the “only one signal” requirement.",{"name":119,"@type":110,"acceptedAnswer":120},"What information is needed for the final combined spectroscopy structure problem?",{"text":121,"@type":113},"A structure must be proposed consistent with IR, Mass Spec, 1H NMR, 13C NMR, and the molecular formula provided in the problem.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},348166,1790493703,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":39,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":39,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":46,"preview_page_count":4},687197100911,"https://ap-avatar.wpscdn.com/avatar/a000239b6f1da00475?x-image-process=image/resize,m_fixed,w_180,h_180&k=1785132997149421697","Write out the answers on separate sheets of paper.  \n1. How many signals will there be in the 1H NMR spectrum of each of these compounds?  \n2. Propose a structure that is consistent with each set of data.  \na. C4H 10O  \n1H NMR spectrum  \nsinglet  \nsinglet  \n􀁇  \n􀁇  \n1.28 (9H)  \n1.35 (1H)  \nb. C7H 15Cl  \n1H NMR spectrum  \nsinglet  \nsinglet  \n􀁇  \n􀁇  \n1.10 (9H)  \n1.60 (6H)  \nc. C2H4Br2  \n1H NMR spectrum  \ndoublet quartet  \n􀁇  \n􀁇  \n2.50 (3H)  \n5.90 (1H)  \nd. C4H8Cl2  \n1H NMR spectrum  \ndoublet quartet triplet sextet  \n􀁇  \n􀁇  \n􀁇  \n􀁇  \n1.60 (3H)  \n2.15 (2H)  \n3.72 (2H)  \n4.27 (1H)  \ne. C5H8Br4  \n1H NMR spectrum  \nsinglet 􀁇 3.60 (8H)  \n1H NMR spectrum  \ndoublet multiplet doublet  \n􀁇  \n􀁇  \n􀁇  \n1.10 (6H)  \n1.90 (1H)  \n3.40 (2H)  \ng. C5H 11Br  \n1H NMR spectrum  \nsinglet  \nsinglet  \n􀁇  \n􀁇  \n1.10 (9H)  \n3.20 (2H)  \nh. C7H 14  \n1H NMR spectrum  \nsinglet  \nsinglet doublet  \ndoublet  \ni. C4H8O  \n􀁇  \n􀁇  \n􀁇  \n􀁇  \n1.10 (9H)  \n1.60 (3H)  \n4.60 (1H)  \n4.80 (1H)  \n1H NMR spectrum  \ntriplet singlet quartet  \nj. C7H 14O  \n􀁇  \n􀁇  \n􀁇  \n1.10 (3H)  \n2.10 (3H)  \n2.40 (2H)  \n1H NMR spectrum  \ntriplet sextet quartet  \n􀁇  \n􀁇  \n􀁇  \n0.90 (6H)􀀔 􀀑 􀀙􀀓 (4H)  \n2.40 (4H)  \nk. C5H 10O2  \n1H NMR spectrum  \ntriplet multiplet  \nmultiplet triplet singlet  \nl. C6H 12O2  \n􀁇  \n􀁇  \n􀁇  \n􀁇  \n􀁇  \n0.94 (3H)  \n1.39 (2H)  \n1.62 (2H)  \n2.35 (2H)  \n12.0 (1H)  \n1H NMR spectrum  \nsinglet  \nsinglet  \nsinglet  \nm. C5H8O4  \n􀁇  \n􀁇  \n􀁇  \n1.08 (9H)  \n2.23 (2H)  \n12.1 (1H)  \n1H NMR spectrum  \ntriplet multiplet triplet singlet  \nn. C6H 12O2  \n􀁇  \n􀁇  \n􀁇  \n􀁇  \n0.93 (3H)  \n1.80 (2H)  \n3.10 (1H)  \n12.70 (2H)  \n1H NMR spectrum  \ndoublet triplet multiplet quartet  \no. C7H 12O4  \n􀁇  \n􀁇  \n􀁇  \n􀁇  \n1.18 (6H)  \n1.26 (3H)  \n2.51 (1H)  \n4.13 (2H)  \n1H NMR spectrum  \ntriplet singlet quartet  \np. C7H 14O2  \n􀁇  \n􀁇  \n􀁇  \n1.28 (6H)  \n3.36 (2H)  \n4.21 (4H)  \n1H NMR spectrum  \ndoublet 􀁇 0.92 (6H)  \nmultiplet 􀁇 1.52 (2H)  \nmultiplet 􀁇 1.70 (1H)  \nsinglet 􀁇 2.09 (3H)  \ntriplet 􀁇 4.10 (2H)  \n3. Each compound gives only one signal in its 1H NMR spectrum. Propose a structure for each.  \na. C3H6O  \nb. C5H 10  \nc. C5H 12  \nd. C4H6Cl4  \n4. Propose a structure that is consistent with the data provided (IR, Mass Spec, 1H NMR,  \n13C NMR, and molecular formula) .","cbCaidEvCkr1BObh","https://ap.wps.com/l/cbCaidEvCkr1BObh","pdf",926708,"English","# 1H NMR Signal Count and Structure Proposals\n## Compounds a–p: signal patterns and integrals\n# One-Signal 1H NMR Structures\n## Compounds a–d\n# Combined Spectral Data Structure Proposal","[{\"question\":\"What are the required outputs for each compound in the 1H NMR problems?\",\"answer\":\"Determine how many signals appear in the 1H NMR spectrum for each listed formula, then propose a structure consistent with the given signal patterns and integrals.\"},{\"question\":\"How should students treat the compounds that give only one signal in the 1H NMR spectrum?\",\"answer\":\"For each formula, propose a structure whose proton environment produces a single type of proton signal, matching the “only one signal” requirement.\"},{\"question\":\"What information is needed for the final combined spectroscopy structure problem?\",\"answer\":\"A structure must be proposed consistent with IR, Mass Spec, 1H NMR, 13C NMR, and the molecular formula provided in the problem.\"}]","Chem 124 - PAL Worksheet: Proton NMR and Combined Practice Problems | PDF",1790071471]