Question 7 (2 points) A compound with a molecular formula of C10H1202 has the following TH...
Question 19 (2 points) How many signals would you expect in the 'H NMR spectrum of the following compound? O a) 4 Ob) 5 O c) 6 d) 7 Question 20 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? It til OCH,CH,CH o CH2CH2CHE 11 OH OH CH2CH2CH3 CH2CH2CH3 III IV O a) 1 Ob) III Oc) Od) IV
Question 17 (2 points) Predict the product(s) for the following reaction: NaNH2, NH3 NH2 NH2 "NH₂ II III a) I, II and III b) III and I O c) I and II d) II and III Question 18 (2 points) A compound with a molecular formula of C10H1202 has the following 'H NMR spectrum. Which of the following structures is consistent with this spectrum? OCH2CH2CH3 0 CH2CH2CH, II OH OH CH2CH2CH3 CH,CH2CH3 IV a) Ob) OIV d) 1 Question 20...
Question 30 (2 points) What are the expected major products of the reaction sequence shown below? 1. 03 2. H20 e OH O=C=0 OH II III IV V O a) I and IV Ob) II, III and IV Oc) I and II O d) 1, III and IV Question 31 (2 points) A compound with a molecular formula of C10H1202 has the following 'H NMR spectrum. Which of the following structures is consistent with this spectrum? 2 o OCH2CH2CH3 0...
explain 02. A compound with a molecular formula C&H SCIO, has the following 'H NMR spectrum. The IR spectrum shows strong absorption at 1800 cm!. Which of the following structures is consistent with this spectrum? PPM علی علی معلم A) I B) II C) III D) IV E) none of these 89. A compound with a molecular formula C10H1202 has the following 'H NMR spectrum. Which of the following structures is consistent with this spectrum? 11 10 9 8 2...
Question 11 (2 points) Rank absorption of the indicated bonds in decreasing (highest to lowest) order of IR frequency H II Oa) III>II>I ob) >I>III Oc) III>I>11 od) 1>II>III Question 12 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 'H NMR spectrum? IV Oa) IV ob) 11 Oc) od) III
Page 1 of 25 Question 1 (2 points) Which of the indicated protons in the following compound would appear most downfield in the TH NMR spectrum? III TV II O a) IV Ob) I OCI O d) III Question 2 (2 points) Identify one final major product in the following reaction sequence: CHO AICI, Ζη C.HNO c. H2SO4 CHE NH "NO NH NO M a) IV Ob) II OI Od)
Question 17 (2 points) Predict the structure of the major product for the following reaction. CH.CH Zn (Hg) CHCE AICI "NH TV oa) 11 ob) IV oc) III od) Question 18 (2 points) What is the product of the reaction below? POC OH o o od ol OH IV Oa) 111 ob) 11 Oc) IV od)
Question 47 (2 points) Which of the following carbocations is (are) likely to undergo rearrangement through a methyl shift? нус CH HC CH нус CH oa) both II and III ob) oc) 11 od) both I and II Question 48 (2 points) For the reaction shown, select the expected major organic product. 1. 1 e HCI 2 1 e HBO Ho Br + enantiomer + enantiomer + enantiomer + enantiomer IV 11 HI! Oa) 1 ob) 11 Oc) III od)...
Question 15 (2 points) Which of the following are possible products of the reaction shown? hv NBS Br Br IV Oa) I, II and III ob) I and II Oc) I, II, III and IV od) 1, III and IV Question 16 (2 points) Guess the structure of the compound using your understanding of chemical shifts. 2H PP انه IV oa) III ob) 1 oc) IV od) 11
Question 45 (2 points) For which of the following compounds will the M+2 peak intensity be equal to the intensity of the molecular ion peak M? oa) CH3CH2CH2NH2 ob) CH3CH2CH2Br OC) CH3CH2CH2C1 od) CH3CH2CH2OH Question 46 (2 points) Predict the major product(s) of the following reaction. Br2 light Ar o Br CHB CH-Br CHUB Br III IV Br Oa) IV Ob) III OC) 11 od) 1