[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-291173-105":3,"detail-sidebar-cat-0-en-105":81,"doc-detail-291173-en":131},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","quiz-5-spectroscopy-practice-questions","Quiz 5 - Spectroscopy - Practice Questions","","Quiz 5 focuses on spectroscopy identification and interpretation across IR, UV-Vis, mass spectrometry, and NMR. It tests functional group reasoning in IR, explains why specific molecules may not show IR spectra, and connects peak values to fragmentation behavior in mass spectrometry. The quiz also practices calculating degrees of unsaturation from molecular formulas and predicting 13C and 1H NMR patterns based on chemical environments and relative charge, culminating in compound identification from given spectral data.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/quiz-5-spectroscopy-practice-questions/291173/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/quiz-5-spectroscopy-practice-questions/291173.png","ImageObject",300,407,{"name":42,"@type":43},"Jordan Avery","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-31","2026-09-17",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",12,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What does IR spectroscopy most useful for identifying?","Question",{"text":63,"@type":64},"IR spectroscopy is most useful for identifying a compound’s functional group.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"Why doesn’t H2 give an IR spectrum?",{"text":68,"@type":64},"H2 doesn’t give an IR spectrum because it doesn’t have a net dipole moment.",{"name":70,"@type":61,"acceptedAnswer":71},"How do you determine degrees of unsaturation from a molecular formula?",{"text":72,"@type":64},"Use the molecular formula (e.g., C3 H6O, C2 H6O2, C4 H2O2, C4 H4O2) to calculate the number of degrees of unsaturation for each structure.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},291173,1790441912,{"code":4,"msg":82,"data":83},"success",[84,88,92,95,100,105,110,115,120,123,127],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":93,"slug":94},70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":102,"show_sort_weight":103,"slug":104},6,"Technology",50,"technology",{"id":106,"doc_module":4,"doc_module_name":25,"category_name":107,"show_sort_weight":108,"slug":109},7,"Healthcare",40,"healthcare",{"id":111,"doc_module":4,"doc_module_name":25,"category_name":112,"show_sort_weight":113,"slug":114},8,"Research & Report",30,"research-report",{"id":116,"doc_module":4,"doc_module_name":25,"category_name":117,"show_sort_weight":118,"slug":119},9,"Religion & Spirituality",20,"religion-spirituality",{"id":118,"doc_module":4,"doc_module_name":25,"category_name":121,"show_sort_weight":118,"slug":122},"World Cup","world-cup",{"id":124,"doc_module":4,"doc_module_name":25,"category_name":125,"show_sort_weight":124,"slug":126},10,"Lifestyle","lifestyle",{"id":128,"doc_module":4,"doc_module_name":25,"category_name":129,"show_sort_weight":96,"slug":130},19,"General","general",{"code":4,"msg":82,"data":132},{"doc_id":79,"user_id":133,"nickname":42,"user_avatar":134,"doc_module":4,"category_id":33,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":106,"language":140,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":12,"update_tm":144,"read_time":145},1099523882367,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","Quiz 5.1 – IR Spectroscopy  \n1. IR spectroscopy is most useful for identifying:  \nA. The stereochemistry of molecules  \nB. A compound’s functional group  \nC. Enantiomeric excess in a non-racemic mixture  \nD. A compound’s purity  \n2. H2 doesn’t give an IR spectrum because:  \nA. It isn’t possible to get an IR spectrum of a gas  \nB. It has no atomic motions  \nC. H2 doesn’t have a net dipole moment  \nD. None of the above  \n3. The IR spectrum of an organic compound has no strong absorptions from 1600 to 2600 or any above 3000. What functional group is it likely to contain?  \nA. Alcohol  \nB. Aldehyde  \nC. Amine  \nD. ether  \n4. A strong infrared (IR) absorption band between 1750 and 1700 indicates which of the following functional groups?  \n5. Which of the following would give a strong IR absorption band at 1720 cm-1?  \nQuiz 5.2 – UV Vis and Mass Spectrometry  \n1. UV spectroscopy is most useful for detecting:  \nA. Cumulated dienes  \nB. Carboxylic acids and amides  \nC. Conjugated alkenes  \nD. Esters  \n2. In mass spectrometry, peak abundances are measured relative to the:  \nA. M peak  \nB. Parent peak  \nC. Smallest peak  \nD. Largest peak  \n3. Mass spectrometry separates fragments according to:  \nA. mass  \nB. mass-to-charge ratio  \nC. size  \nD. shape  \n4. Which of these compounds would  \nmost likely show a base peak at m/z = 43?  \n5. The key fragment at m/z = 45 corresponds which of the following fragments?  \n6. A compound is analyzed by mass spectrometry. Its base peak at m/z = 81 comes from the most stable fragment. Which of the following is it?  \nQuiz 5.3 – Degrees of Unsaturation  \n1. How many degrees of unsaturation does the following formula have: C3 H6O?  \n2. How many degrees of unsaturation does the following formula have: C2 H6O2?  \n3. How many degrees of unsaturation does the following formula have: C4 H2O2?  \n4. How many degrees of unsaturation does the following formula have: C4 H4O2?  \nQuiz 5.4 – 13C-NMR Spectroscopy  \n1. How many different kinds of carbon atoms are there in the following molecules?  \n2. For each pair below, which of the two pink-colored carbon atoms in each pair is more positively charged (and hence, will appear further to the left by NMR)?  \n3. Predict what the 13C-NMR spectrum should look like for each of the following molecules:  \nQuiz 5.5 – 1 H-NMR Spectroscopy  \n1. How many different kinds of hydrogen atoms are there in the following molecules?  \n2. For each pair below, which of the sets of pink-colored hydrogen atoms in each pair is more positively-charged (and hence, will appear further to the left by NMR)?  \n3. Predict what the 1 H-NMR spectrum should look like for each of the following molecules.  \nQuiz 5.6 – Spectroscopy Analysis  \n*Note: You likely will not see anything this hard on the DAT, but if you can answer these questions, you’ll be ready to answer anything spectroscopy related on the DAT.  \n1. Identify the compound that gives the following spectra. (Formula: C6 H12O)  \n2. Identify the compound that gives the following spectra. (Formula: C6 H12O2)  \nContinue on next page…  \nQuiz 5.6 – Spectroscopy Analysis (Continued)  \n3. Identify the compound that gives the following spectra. (Formula: C5 H12O)","cbCainqBtYelOJq3","https://ap.wps.com/l/cbCainqBtYelOJq3","pdf",500327,"English","# Quiz 5.1 – IR Spectroscopy\n## Quiz 5.2 – UV Vis and Mass Spectrometry\n## Quiz 5.3 – Degrees of Unsaturation\n## Quiz 5.4 – 13C-NMR Spectroscopy\n## Quiz 5.5 – 1 H-NMR Spectroscopy\n## Quiz 5.6 – Spectroscopy Analysis","[{\"question\":\"What does IR spectroscopy most useful for identifying?\",\"answer\":\"IR spectroscopy is most useful for identifying a compound’s functional group.\"},{\"question\":\"Why doesn’t H2 give an IR spectrum?\",\"answer\":\"H2 doesn’t give an IR spectrum because it doesn’t have a net dipole moment.\"},{\"question\":\"How do you determine degrees of unsaturation from a molecular formula?\",\"answer\":\"Use the molecular formula (e.g., C3 H6O, C2 H6O2, C4 H2O2, C4 H4O2) to calculate the number of degrees of unsaturation for each structure.\"}]","Quiz 5 - Spectroscopy - Practice Questions | PDF",1789643592,18]